| Patent application number | Description | Published |
|---|
| 20090048756 | MULTI-MODE 2-STROKE/4-STROKE INTERNAL COMBUSTION ENGINE - In a multi-mode, 2-stroke/4-stroke internal combustion engine operation, by switching the engine stroke from 4-stroke operation to 2-stroke operation so that the combustion frequency is doubled, doubling of the engine power is achieved even at the same work output per cycle. In order to meet the demand of extremely high power, the engine operates in 4-stroke boosted SI operation transitioned from 2-stroke HCCI operation at pre-set level of power and crank speed requirements. By combining the multi-stroke (2-stroke HCCI and 4-stroke HCCI) and multi-mode operation (2-stroke HCCI and 4-stroke boosted SI operation), full load range and overall high efficiency with minimal NOx emission are achieved. | 02-19-2009 |
| 20100225325 | Battery System and Method for System State of Charge Determination - A battery system and method of providing a state of charge of for the system in one embodiment includes at least one first cell, the at least one first cell having a first battery chemistry exhibiting a first open circuit potential, and at least one second cell in series connection with the at least one first cell, the at least one second cell having a second battery chemistry exhibiting a second open circuit potential, wherein the at least one first cell exhibits an open circuit potential with a center slope that is greater than the center slope of the open circuit potential exhibited by the at least one second cell. | 09-09-2010 |
| 20100275860 | Control architecture and optimal strategy for switching between 2-stroke and 4-stroke modes of HCCI operation - Engine correction inputs to control oscillation in an engine output in a transition between 2-stroke and 4-stroke engine cycle modes of an HCCI engine are determined as follows: for each mode, valve timings which modify the engine output the most upon switching are determined, and a linear engine system model is defined at least partially based on the determined valve timings, which model provides mappings relating initial conditions of the engine and the engine correction inputs to outputs of the engine; initial conditions of the engine corresponding to a switching point for switching between the two modes are determined; desired engine output conditions upon switching between the two modes are specified; and the engine correction inputs are determined by using the determined initial conditions, the desired engine output conditions, and the linear engine system model corresponding to the engine cycle mode in effect upon switching. | 11-04-2010 |
| 20100283430 | SYSTEM AND METHOD FOR CHARGING AND DISCHARGING A Li-ION BATTERY PACK - An electrochemical battery system in one embodiment includes a plurality of first electrochemical cells, a memory in which command instructions are stored, and a processor configured to execute the command instructions to (i) evaluate each of the plurality of first electrochemical cells, and (ii) selectively connect a first of the plurality of first electrochemical cells to a power provider based upon the evaluation while selectively isolating a second of the plurality of first electrochemical cells from the power provider based upon the evaluation. | 11-11-2010 |
| 20100285338 | SYSTEM AND METHOD FOR PRESSURE DETERMINATION IN A Li-ION BATTERY - An electrochemical battery system in one embodiment includes a first electrode, a second electrode spaced apart from the first electrode, a separator positioned between the first electrode and the second electrode, an active material within the second electrode, a pressure sensor in fluid connection with the second electrode, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain a pressure signal from the pressure sensor associated with the pressure within the second electrode, and to identify a state of charge of the electrochemical battery system based upon the pressure signal. | 11-11-2010 |
| 20100285339 | SYSTEM AND METHOD FOR CHARGING AND DISCHARGING A Li-ION BATTERY - An electrochemical battery system in one embodiment includes a first electrochemical cell, a second electrochemical cell, a memory in which command instructions are stored, and a processor configured to execute the command instructions to (i) selectively charge or discharge the first electrochemical cell based upon an evaluation of first criteria associated with the first electrochemical cell, and (ii) selectively charge or discharge the second electrochemical cell based upon an evaluation of second criteria associated with the first electrochemical cell. | 11-11-2010 |
| 20100285351 | Li-ION BATTERY WITH ANODE EXPANSION AREA - An electrochemical cell in one embodiment includes a first electrode including a form of sulfur as an active material, a second electrode spaced apart from the first electrode, the second electrode including a plurality of nanowires, and a transfer member operably contacting the first electrode and the second electrode to transfer one or more of pressure and volume between the first electrode and the second electrode. | 11-11-2010 |
| 20100285355 | Li-ION BATTERY WITH POROUS ANODE SUPPORT - An electrochemical cell in one embodiment includes a first electrode, and a second electrode spaced apart from the first electrode, the second electrode including, a current collector, an electrically conducting rigid support frame electrically connected to the current collector, and an active material coated to the rigid support frame. | 11-11-2010 |
| 20100285357 | Li-ION BATTERY WITH OVER-CHARGE/OVER-DISCHARGE FAILSAFE - An electrochemical cell in one embodiment includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode, an active material in the positive electrode including a form of lithium, and a gas neutralizing additive. | 11-11-2010 |
| 20100285360 | Li-ION BATTERY WITH ANODE COATING - An electrochemical cell in one embodiment includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode, an electrolyte, a separator positioned between the negative electrode and the positive electrode, and a current collector in the negative electrode, the current collector including a substrate material and a coating material on the surface of the substrate material, wherein the coating material does not include a form of lithium. | 11-11-2010 |
| 20100285361 | Li-ION BATTERY WITH LOAD LEVELER - An electrochemical cell in one embodiment includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode, and an electrolyte including a load leveling agent in contact with the negative electrode. | 11-11-2010 |
| 20100285362 | Li-ION BATTERY WITH SELECTIVE MODERATING MATERIAL - An electrochemical cell in one embodiment includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode, and a moderator layer positioned between the negative electrode and the separator. | 11-11-2010 |
| 20100285363 | Li-ION BATTERY WITH BLENDED ELECTRODE - An electrochemical cell with a blended cathode in one embodiment includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode, a first active material in the positive electrode including a form of lithium, and a second active material in the positive electrode including a form of sulfur. | 11-11-2010 |
| 20100285364 | Li-ION BATTERY WITH VARIABLE VOLUME RESERVOIR - An electrochemical cell in one embodiment includes a first electrode, a second electrode spaced apart from the first electrode, a separator positioned between the first electrode and the second electrode, an active material within the second electrode, and a variable volume reservoir in fluid connection with the active material, such that changes in the volume of the active material cause changes in volume of the variable volume reservoir. | 11-11-2010 |
| 20100285365 | Li-ION BATTERY WITH POROUS ANODE - An electrochemical cell in one embodiment includes a first electrode, and a second electrode spaced apart from the first electrode, the second electrode including a substrate of active material formed with a plurality of interconnected chambers defined by a respective one of a plurality of inwardly curving walls, and a form of lithium. | 11-11-2010 |
| 20100291417 | METHOD FOR DETERMINING EXTENT AND TYPE OF CAPACITY FADE - A method of determining extent and type of capacity fade of an electrochemical cell in one embodiment includes identifying a first volume fraction of an active material in an electrode, identifying a first capacity of the first electrode at another time, identifying a second volume fraction of the first active material based upon the first capacity, identifying a first amount of the first active material lost from the first time to the second time based upon the first volume fraction and the second volume fraction, identifying a third volume fraction of an active material in another electrode, identifying a second capacity of the second electrode at a later time, identifying a fourth volume fraction of the second active material based upon the second capacity, and identifying a second amount of the second active material lost based upon the third volume fraction and the fourth volume fraction. | 11-18-2010 |
