Zettel Andrew M, Frisch Damon R, Jeffers Mary A, Tamai Goro, Koch Brian J: On-board battery refresh charging. Gen Motors, cheng tianzheng chen jingjun, August 16, 2006: CN200610007153

A refresh control system that selectively initiates a refresh charge cycle includes an energy storage device and an electric machine that is operable to charge the energy storage device. A control module monitors a usage period of the energy storage device and determines a bias factor. The control m ...

Liu Wei, Gielniak Michael J, Lin Jian, Koch Brian J, Frisch Damon R, Lograsso Joseph M: Method and system for determining a state of charge of a battery based on a transient response. GM Global Tech Operations, Fan Xiaobin, Cao Re, March 31, 2010: CN200910204433

Methods and systems for determining a state of charge of a battery exhibiting a transient response are provided. At least one property of the battery is measured. The state of charge of the battery isdetermined based on the at least one measured property and a transient response of the battery.

Tang Xidong, Zhang Xiaodong, Chin Yuen Kwok, Koch Brian J, Frisch Damon R: Model-based estimation of battery hysteresis. Gm Global Technology Operations, CICHOSZ Vincent A, September 3, 2009: WO/2009/108494

A method of battery state of charge estimation considering battery hysteresis includes using a Preisach-model-based algorithm to calculate a battery state of charge.

Luan Yunfei, Frisch Damon R, Lo Chihsiung, Tamai Goro: Method and apparatus for controlling vehicle battery charging. Gm Global Tech Operations, yuanchao hui huangli hang, November 14, 2007: CN200710102909

An electrical charging strategy and system for a high voltage electrical energy storage system able to supply electrical energy to a hybrid vehicle is disclosed. The system charges the electrical energy storage system so state-of-charge at the end of a trip is substantially unchanged. The strategy a ...

Koch Brian J, Frisch Damon R, Conell Robert S: Fast search algorithm for finding initial diffusion voltage in electro-chemical systems. Gm Global Tech Operations, wangyue wangxiao heng, July 23, 2008: CN200710306178

A method for determining a diffusion voltage in an electrochemical cell (e.g., a battery used in connection with an automotive vehicle) includes estimating a previous diffusion voltage, calculating a new diffusion voltage using an equation based on a diffusion circuit model and the previous diffusio ...

Bergkoetter Brenton J, Aldrich III William L, Crites Donald D, Frisch Damon R: Battery control method for hybrid vehicles. GM Global Tech Operations, Zeng Xiangling, Liu Hualian, December 2, 2009: CN200810130985

The invention relates to a battery control method for hybrid vehicles. The hybrid control module comprises a vehicle load module and a hybrid battery discharge module. The vehicle load module determines a first power based on power delivered to an accessory power module (APM). The hybrid battery dis ...

Johnson Kurt M, Smith Gregory E, Frisch Damon R, Koch Brian J: Algorithm for determining capacity of battery while in service. GM Global Tech Operations, cui yaobeng yang jie, May 30, 2012: CN201110389503

A method for estimating the capacity of a vehicle battery while in service is related. The method includes providing a previous battery state-of-charge, battery temperature and integrated battery current amp-hours, and determining that battery contactors have been closed after they have been opened ...

Tang Xidong, Zhang Yandong, Baughman Andrew C, Koch Brian J, Lin Jian, Frisch Damon R: Dynamic Battery Capacity Estimation. Gm Global Technology Operations, ge jing, July 4, 2012: CN201110386847

A method of determining a state of health of a battery in real time includes estimating a parameter value associated with the state of health of the battery and determining one or more of a terminal voltage, an accumulated charge, a state of charge, and a temperature of the battery. The method furth ...

Lin Jian, Tang Xidong, Koch Brian J, Lograsso Joseph M, Frisch Damon R, Nabi Rezina A: Adaptive battery parameter extraction and SOC estimation for lithium-ion battery. GM Global Tech Operations, xue feng yang jie, March 7, 2012: CN201110169278

A system and method for estimating internal parameters of a lithium-ion battery to provide a reliable battery state-of-charge estimate. The method uses a two RC-pair equivalent battery circuit model to estimate the battery parameters, including a battery open circuit voltage, an ohmic resistance, a ...

Halalay Ion C, Frisch Damon R, Geiculescu Olt E, Desmarteau Darryl D, Creager Stephen E, Lu Changqing: Electrolyte for a lithium ion battery. GM Global Technology Operations, cao xiaogang li liantao, May 11, 2011: CN201010541151

An electrolyte for a lithium ion battery includes a vitreous eutectic mixture represented by the formula AxBy, where A is a salt chosen from a lithium fluoroalkylsulfonimide or a lithium fluoroarylsulfonimide, B is a solvent chosen from an alkylsulfonamide or an arylsulfonamide, and x and y are the ...