Abstract: Certain embodiments are described that provide a method and computer readable media for testing battery cells. A unique identifier (e.g., barcode) is affixed to a battery cell which allows it to be tracked across separate tests as a cell, in a module, string, pack, etc. Using a GUI, the unique identifier is recorded in a database along with at least a battery cell manufacturer and a battery cell model. A designation of the particular tester channel or module or string location is entered into the database in association with the unique identifier. Test results of the first test are electronically transferred from the first tester to the database along with the corresponding channel designations.

Abstract: Certain embodiments are described that provide a method and computer readable media for testing battery cells. A unique identifier (e.g., barcode) is affixed to a battery cell which allows it to be tracked across separate tests as a cell, in a module, string, pack, etc. Using a GUI, the unique identifier is recorded in a database along with at least a battery cell manufacturer and a battery cell model. A designation of the particular tester channel or module or string location is entered into the database in association with the unique identifier. Test results of the first test are electronically transferred from the first tester to the database along with the corresponding channel designations.

Abstract: Certain embodiments are described that provide a method and computer readable media for testing battery cells. A unique identifier (e.g., barcode) is affixed to a battery cell which allows it to be tracked across separate tests as a cell, in a module, string, pack, etc. Using a GUI, the unique identifier is recorded in a database along with at least a battery cell manufacturer and a battery cell model. A designation of the particular tester channel or module or string location is entered into the database in association with the unique identifier. Test results of the first test are electronically transferred from the first tester to the database along with the corresponding channel designations.

Abstract: An electrode for a lithium ion battery, the electrode including nanoporous silicon structures, each nanoporous silicon structure defining a multiplicity of pores, a binder, and a conductive substrate. The nanoporous silicon structures are mixed with the binder to form a composition, and the composition is adhered to the conductive substrate to form the electrode. The nanoporous silicon may be, for example, nanoporous silicon nanowires or nanoporous silicon formed by etching a silicon wafer, metallurgical grade silicon, silicon nanoparticles, or silicon prepared from silicon precursors in a plasma or chemical vapor deposition process. The nanoporous silicon structures may be coated or combined with a carbon-containing compound, such as reduced graphene oxide. The electrode has a high specific capacity (e.g., above 1000 mAh/g at current rate of 0.4 A/g, above 1000 mAh/g at a current rate of 2.0 A/g, or above 1400 mAh/g at a current rate of 1.0 A/g).

Abstract: Certain embodiments are described that provide a method and computer readable media for testing battery cells. A unique identifier (e.g., barcode) is affixed to a battery cell which allows it to be tracked across separate tests as a cell, in a module, string, pack, etc. Using a GUI, the unique identifier is recorded in a database along with at least a battery cell manufacturer and a battery cell model. A designation of the particular tester channel or module or string location is entered into the database in association with the unique identifier. Test results of the first test are electronically transferred from the first tester to the database along with the corresponding channel designations.

Abstract: An electrode includes a first free-standing carbon network, an active material deposited above the first free-standing carbon network, and a second free-standing carbon network covering the active material. The first and second carbon networks are a binder, a conductive additive and a current collector to the electrode.

Abstract: A method includes combining a coating material and an uncoated particulate core material in a solution having a selected ionic strength. The selected ionic strength promotes coating of the uncoated particulate core material with the coating material to form coated particles; and the coated particles can be collected after formation. The coating material has a higher electrical conductivity than the core material.

Abstract: Provided are battery packs. Each pack may comprise a first plurality of strings electrically coupled to each other in parallel, each of the first plurality of strings providing substantially an output voltage and comprising: a first plurality of battery modules comprising: a plurality of high power battery cells, each of the plurality of high power battery cells having a higher power specification than a plurality of high energy battery cells; and a second plurality of strings electrically coupled to each other and to the first plurality of strings in parallel, each of the second plurality of strings providing substantially the output voltage and comprising: a second plurality of battery modules comprising: the plurality of high energy battery cells, each of the plurality of high power battery cells having a higher energy specification than the plurality of high power battery cells.

Abstract: Provided are battery packs. Each pack may comprise a first plurality of strings electrically coupled to each other in parallel, each of the first plurality of strings providing substantially an output voltage and comprising: a first plurality of battery modules comprising: a plurality of high power battery cells, each of the plurality of high power battery cells having a higher power specification than a plurality of high energy battery cells; and a second plurality of strings electrically coupled to each other and to the first plurality of strings in parallel, each of the second plurality of strings providing substantially the output voltage and comprising: a second plurality of battery modules comprising: the plurality of high energy battery cells, each of the plurality of high power battery cells having a higher energy specification than the plurality of high power battery cells.

Abstract: Provided are battery packs. Each pack may comprise: a plurality of strings electrically coupled to each other in parallel, each of the first plurality of strings comprising: a plurality of battery modules electrically coupled to each other in series, each of the first plurality of battery modules comprising: a plurality of battery cells, each of the plurality of battery cells comprising: a fuse electrically isolating a respective battery cell of the plurality of battery cells from a respective battery module.

Abstract: An electrode includes a first free-standing carbon network, an active material deposited above the first free-standing carbon network, and a second free-standing carbon network covering the active material. The first and second carbon networks are a binder, a conductive additive and a current collector to the electrode.

Abstract: A method includes combining a coating material and an uncoated particulate core material in a solution having a selected ionic strength. The selected ionic strength promotes coating of the uncoated particulate core material with the coating material to form coated particles; and the coated particles can be collected after formation. The coating material has a higher electrical conductivity than the core material.

Abstract: An electrode for a lithium ion battery, the electrode including nanoporous silicon structures, each nanoporous silicon structure defining a multiplicity of pores, a binder, and a conductive substrate. The nanoporous silicon structures are mixed with the binder to form a composition, and the composition is adhered to the conductive substrate to form the electrode. The nanoporous silicon may be, for example, nanoporous silicon nanowires or nanoporous silicon formed by etching a silicon wafer, metallurgical grade silicon, silicon nanoparticles, or silicon prepared from silicon precursors in a plasma or chemical vapor deposition process. The nanoporous silicon structures may be coated or combined with a carbon-containing compound, such as reduced graphene oxide. The electrode has a high specific capacity (e.g., above 1000 mAh/g at current rate of 0.4 A/g, above 1000 mAh/g at a current rate of 2.0 A/g, or above 1400 mAh/g at a current rate of 1.0 A/g).