Patent application number | Description | Published |
20080272536 | Paper feeding device, recording apparatus and information processing apparatus having the same - A paper feeding device includes: a reference guide surface that contacts a lateral end portion of a sheet-shaped medium along a guide path for transporting the medium; a tapered guide surface that is inclined outward from the reference guide surface toward an upstream side of a transport direction and contacts the lateral end portion of the medium; a paper feeding roller that rotates to transport the medium in a direction parallel to the reference guide surface while the paper feeding roller contacts a surface of the medium; and a medium cassette that stores the medium. The medium cassette stores the medium so as to be inclined with respect to the reference guide surface so that a rear end of the lateral end portion of the stored medium at a side of the reference guide surface is positioned outside an imaginary extension surface of the reference guide surface. | 11-06-2008 |
20090255971 | Method of controlling paper transportation in an apparatus, and an apparatus using the method - A paper transportation control method for an apparatus enables conveying paper with appropriate tension on the paper by appropriately controlling the paper delivery operation of a delivery roller. When paper is conveyed by the paper feed roller pair | 10-15-2009 |
20100221054 | ROLL PAPER SUPPLY MECHANISM AND ROLL PAPER PRINTER - A roll paper supply mechanism reliably prevents roll paper from rising from a desired position. The roll paper supply mechanism | 09-02-2010 |
20110236115 | ROLL PAPER PRINTER AND METHOD OF OPENING AND CLOSING A ROLL PAPER PRINTER COVER - A printer has a roll paper compartment that stores roll paper so that it can roll on a horizontal axis of rotation, a roll paper cover that pivots to open and close the roll paper compartment, and a tension roller that is displaced when the roll paper cover pivots open and closed. The roll paper compartment is supported to pivot in the direction in which the roll paper cover rotates when the roll paper cover pivots open or closed. The tension roller is disposed to a position where it urges the roll paper opposite the direction in which the roll paper compartment moves circularly when the roll paper cover pivots in the opening direction. | 09-29-2011 |
20110236116 | ROLL PAPER PRINTER - A paper roll printer has a paper roll compartment that stores paper roll so that it can roll with the axis of rotation transverse, and a side pressure plate inclined so that it touches part of the side of the paper roll and approaches the side with decreasing proximity to a supply roller. The paper roll transportation position of the supply roller that supplies paper from the paper roll is disposed to vertically overlap a paper roll of the maximum diameter that can be stored in the paper roll compartment. A movement limiting member that restricts movement of the paper roll horizontally and upwardly in the paper roll compartment is disposed opposite the supply roller. | 09-29-2011 |
20110268488 | ROLL PAPER LOADING MECHANISM AND PRINTING DEVICE - The roll paper loading mechanism of a roll paper printer has a left side panel rendered in unison with a roll paper holder. The roll paper holder pivots to the front of the printer in conjunction with the operation opening an access cover. When the access cover is opened completely, the left side panel protrudes through an opening formed in the printer case to the front of the printer. A right side panel disposed to hold the roll paper between it and the left side panel is stationary inside the printer case. A roll paper guide tab that projects to the front of the printer and extends away from the left side panel is formed on the front end of the right side panel. | 11-03-2011 |
20120269566 | IMAGE PROCESSING DEVICE AND SHEET FEEDING MECHANISM - Factory adjustment and repairs are simplified while assuring the accuracy of a multifeed prevention function. A main unit has a conveyance path that conveys sheets, and a processing unit that applies a specific process to the sheets conveyed through the conveyance path, and a multifeed detection unit is removably disposed to the main unit. The multifeed detection unit has a sheet-passing unit disposed contiguously to the conveyance path, an ultrasonic transmitter disposed facing the sheet-passing unit, and an ultrasonic receiver disposed opposite the ultrasonic transmitter with the sheet-passing unit therebetween. | 10-25-2012 |
20130063752 | MEDIA PROCESSING DEVICE - A media processing device enables conveying media fed from different paths into a common path in a stable conveyance state to the scanning position of a scanner. A check processing device has a path switching member that selectively bridges a back path for conveying checks and a card path to a downstream path, which is a common path. The path switching member changes position and switches the connected paths in conjunction with movement of a shutter that covers the open part of a nozzle cap used to cap the nozzle face of the inkjet head at the back path. | 03-14-2013 |
Patent application number | Description | Published |
20120141866 | POWER STORAGE DEVICE - A power storage device which has improved performance such as higher discharge capacity and in which deterioration due to peeling or the like of an active material layer is less likely to be caused is provided. In an electrode for the power storage device, phosphorus-doped amorphous silicon is used for the active material layer over a current collector as a material that can be alloyed with lithium, and niobium oxide is deposited over the active material layer as a layer containing niobium. Accordingly, the capacity of the power storage device can be increased and the cycle characteristics and the charge-discharge efficiency can be improved. | 06-07-2012 |
20120237822 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolyte provided between the positive electrode and the negative electrode. The positive electrode includes a positive electrode current collector and a positive electrode active material layer over the positive electrode current collector. The positive electrode active material layer includes a plurality of lithium-containing composite oxides each of which is expressed by LiMPO | 09-20-2012 |
20120308891 | METHOD OF MANUFACTURING ELECTRODE - To increase the conductivity and electric capacity of an electrode which includes active material particles and the like and is used in a battery, a graphene net including 1 to 100 graphene sheets is used instead of a conventionally used conduction auxiliary agent add binder. The graphene net which has a two-dimensional expansion and a three-dimensional structure is more likely to touch active material particles or another conduction auxiliary agent, thereby increasing the conductivity and the bonding strength between active material particles. This graphene net is obtained by mixing graphene oxide and active material particles and then heating the mixture in a vacuum or a reducing atmosphere. | 12-06-2012 |
20120308894 | POWER STORAGE DEVICE AND METHOD OF MANUFACTURING THE SAME - A negative electrode and a power storage device are provided, which have one of an alloy-based particle and an alloy-based whisker and a carbon film including 1 to 50 graphene layers. A surface of the alloy-based particle or the alloy-based whisker is covered with the carbon film. In addition, a method of manufacturing a negative electrode and a method of manufacturing a power storage device are provided, which have the step of mixing an alloy-based particle or an alloy-based whisker with graphene oxide, and the step of heating the mixture in a vacuum or in a reducing atmosphere. | 12-06-2012 |
20130045156 | METHOD FOR FORMING GRAPHENE AND CRAPHENE OXIDE SALT, AND GRAPHENE OXIDE SALT - A first precipitate is formed by mixing graphite and an oxidizer containing an alkali metal salt in a solution. Next, a second precipitate is formed by ionizing the oxidizer which is included in the first precipitate, with an acid solution, and removing the oxidizer from the first precipitate. Then, a dispersion liquid in which graphene oxide is dispersed is prepared by mixing the second precipitate and water to form a mixed solution and then applying ultrasonic waves to the mixed solution or mechanically stirring the mixed solution, so that the graphene oxide is separated from graphite oxide that is the graphite which is included in the second precipitate and oxidized. Next, graphene oxide salt is formed by mixing the dispersion liquid, a basic solution, and an organic solvent and reacting the graphene oxide included in the dispersion liquid and a base included in the basic solution to each other. | 02-21-2013 |
20130047423 | METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY - At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained. | 02-28-2013 |
20130052522 | CARBON-BASED NEGATIVE ELECTRODE MATERIAL AND SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE MATERIAL - To provide a carbon-based negative electrode material which can be used with an electrolyte containing PC as a main ingredient, a carbon-based negative electrode material having a graphene layer structure is crystalline and has pores. That is, the crystal structure of the carbon-based negative electrode material is distorted more significantly than that of graphite. Accordingly, the carbon-based negative electrode material has a larger interlayer distance between graphenes than graphite. It has been shown that such a negative electrode material can be used for a secondary battery which contains an electrolyte containing PC as a main ingredient. | 02-28-2013 |
20130052528 | POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING ELECTRODE - An electrode and a power storage device each of which achieves better charge-discharge cycle characteristics and is less likely to deteriorate owing to separation of an active material, or the like are manufactured. As the electrode for the power storage device, an electrode including a current collector and an active material layer that is over the current collector and includes a particle containing niobium oxide and a granular active material is used, whereby the charge-discharge cycle characteristics of the power storage device can be improved. Moreover, contact between the granular active material and the particle containing niobium oxide makes the granular active material physically fixed; accordingly, deterioration due to expansion and contraction of the active material which occur along with charge and discharge of the power storage device, such as powdering of the active material layer or its separation from the current collector, can be suppressed. | 02-28-2013 |
20130059195 | ELECTRODE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE - To provide an electrode for a power storage device, which has high reliability and can be miniaturized. To provide a power storage device including the electrode. In the electrode, a stress-relieving layer which relieves internal stress of an active material layer including a whisker is provided over a current collector. By the stress-relieving layer, deformation of the current collector can be suppressed and the productivity of the power storage device can be increased. In addition, the size of the power storage device can be reduced and the reliability thereof can be increased. Graphene may be formed so as to cover the active material layer including a whisker. | 03-07-2013 |
20130065120 | POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY - Occlusion and release of lithium ion are likely to one-dimensionally occur in the b-axis direction of a crystal in a lithium-containing composite oxide having an olivine structure. Thus, a positive electrode in which the b-axes of lithium-containing composite oxide single crystals are oriented vertically to a surface of a positive electrode current collector is provided. The lithium-containing composite oxide particles are mixed with graphene oxide and then pressure is applied thereto, whereby the rectangular parallelepiped or substantially rectangular parallelepiped particles are likely to slip. In addition, in the case where the rectangular parallelepiped or substantially rectangular parallelepiped particles whose length in the b-axis direction is shorter than those in the a-axis direction and the c-axis direction are used, when pressure is applied in one direction, the b-axes can be oriented in the one direction. | 03-14-2013 |
20130067726 | LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - An object is to improve the cycle performance by improving the reactivity between lithium and a negative electrode active material in the case where an alloy-based material such as silicon is used as the negative electrode active material. A method of manufacturing a lithium secondary battery including a positive electrode including a positive electrode active material into/from which lithium can be inserted/extracted, a negative electrode including a negative electrode active material into/from which lithium can be inserted/extracted, and an electrolyte solution is provided. The method includes the steps of electrochemically inserting lithium into the negative electrode with use of a counter electrode before the lithium secondary battery is assembled, electrochemically extracting part of the lithium inserted into the negative electrode after the insertion, and assembling the lithium secondary after the extraction. | 03-21-2013 |
20130164609 | NONAQUEOUS SOLVENT, NONAQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICE - A power storage device using an organic solvent as a nonaqueous solvent for a nonaqueous electrolyte, in which a CV charging period in CCCV charging can be prevented from being extended and which has high performance, can be provided. The power storage device includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The nonaqueous electrolyte includes an ionic liquid including an alicyclic quaternary ammonium cation having one or more substituents and a counter anion to the alicyclic quaternary ammonium cation, a cyclic ester, and an alkali metal salt. In particular, in the power storage device, the ionic liquid content is greater than or equal to 70 wt % and less than 100 wt % per unit weight of the ionic liquid and the cyclic ester in the nonaqueous electrolyte, or greater than or equal to 50 wt % and less than 80 wt % per unit weight of the nonaqueous electrolyte. | 06-27-2013 |
20130230772 | POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING ELECTRODE - As an electrode for a power storage device, an electrode including a current collector, a first active material layer over the current collector, and a second active material layer that is over the first active material layer and includes a particle containing niobium oxide and a granular active material is used, whereby the charge-discharge cycle characteristics and rate characteristics of the power storage device can be improved. Moreover, contact between the granular active material and the particle containing niobium oxide makes the granular active material physically fixed; accordingly, deterioration due to expansion and contraction of the active material which occur along with charge and discharge of the power storage device, such as powdering of the active material or its separation from the current collector, can be suppressed. | 09-05-2013 |
20130266858 | NEGATIVE ELECTRODE FOR POWER STORAGE DEVICE, METHOD FOR FORMING THE SAME, AND POWER STORAGE DEVICE - An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity. | 10-10-2013 |
20130283603 | METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY - At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained. | 10-31-2013 |
20130323585 | NEGATIVE ELECTRODE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE - A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound. | 12-05-2013 |
20140023920 | SECONDARY BATTERY - A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is provided. The secondary battery includes a negative electrode including a current collector and graphite provided over the current collector, and a positive electrode. The graphite includes a plurality of graphene layers. Surfaces of the plurality of graphene layers are provided substantially along the direction of an electric field generated between the positive electrode and the negative electrode. | 01-23-2014 |
20140099554 | MATERIAL FOR ELECTRODE OF POWER STORAGE DEVICE, POWER STORAGE DEVICE, AND ELECTRICAL APPLIANCE - To improve the reliability of a power storage device. A granular active material including carbon is used, and a net-like structure is formed on part of a surface of the granular active material. In the net-like structure, a carbon atom included in the granular active material is bonded to a silicon atom or a metal atom through an oxygen atom. Formation of the net-like structure suppresses reductive decomposition of an electrolyte solution, leading to a reduction in irreversible capacity. A power storage device using the above active material has high cycle performance and high reliability. | 04-10-2014 |
20140127566 | POWER STORAGE DEVICE ELECTRODE, METHOD FOR FORMING THE SAME, POWER STORAGE DEVICE, AND ELECTRICAL DEVICE - Irreversible capacity which causes a decrease in the charge and discharge capacity of a power storage device is reduced, and electrochemical decomposition of an electrolyte solution and the like on a surface of an electrode is inhibited. Further, the cycle characteristics of the power storage device is improved by reducing or inhibiting a decomposition reaction of the electrolyte solution and the like occurring as a side reaction in repeated charging and discharging of the power storage device. A power storage device electrode includes a current collector and an active material layer that is over the current collector and includes a binder and an active material. A coating film is provided on at least part of a surface of the active material. The coating film is spongy. | 05-08-2014 |
20140127567 | ELECTRODE FOR POWER STORAGE DEVICE, POWER STORAGE DEVICE, AND MANUFACTURING METHOD OF ELECTRODE FOR POWER STORAGE DEVICE - To improve the long-term cycle performance of a lithium-ion battery or a lithium-ion capacitor by minimizing the decomposition reaction of an electrolytic solution and the like as a side reaction of charge and discharge in the repeated charge and discharge cycles of the lithium-ion battery or the lithium-ion capacitor. A current collector and an active material layer over the current collector are included in an electrode for a power storage device. The active material layer includes a plurality of active material particles and silicon oxide. The surface of one of the active material particles has a region that is in contact with one of the other active material particles. The surface of the active material particle except the region is partly or entirely covered with the silicon oxide. | 05-08-2014 |
20140166946 | METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY - At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained. | 06-19-2014 |