Assignee
A123 SYSTEMS LLC
US·58 granted patents·34 pending applications·94 citations·filing 2012–2025
Top patents by PatentIndex Score
92 records- 0193US9343745B1Surface passivation of active material particles for use in electrochemical cellsA123 SYSTEMS LLC·Filed 2014·Granted May 17, 2016·15 cites·20 claims
- 0292US9660267B2High power electrode materialsA123 SYSTEMS LLC·Filed 2015·Granted May 23, 2017·3 cites·5 claims
- 0391US9252421B1Surface modification of active material structures in battery electrodesA123 SYSTEMS LLC·Filed 2013·Granted Feb 2, 2016·9 cites·16 claims
- 0490US9012094B2Fluoroalkyl containing salts combined with fluorinated solvents for electrolytesA123 SYSTEMS LLC·Filed 2013·Granted Apr 21, 2015·8 cites·20 claims
- 0589US11881707B2Reverse bias protection circuit for a vehicle battery systemA123 SYSTEMS LLC·Filed 2021·Granted Jan 23, 2024·2 cites·11 claims
- 0689US11670938B2Protection circuit for battery management systemA123 SYSTEMS LLC·Filed 2021·Granted Jun 6, 2023·2 cites·11 claims
- 0788US9184468B2Combinations of fluorinated solvents with imide salts or methide salts for electrolytesA123 SYSTEMS LLC·Filed 2013·Granted Nov 10, 2015·6 cites·23 claims
- 0888US9077046B2Electrolytes including fluorinated solvents for use in electrochemical cellsA123 SYSTEMS LLC·Filed 2013·Granted Jul 7, 2015·5 cites·20 claims
- 0988US8999009B2Surface modification of battery materials and method for making a batteryA123 SYSTEMS LLC·Filed 2013·Granted Apr 7, 2015·4 cites·23 claims
- 1086US9300004B2Integral battery tabA123 SYSTEMS LLC·Filed 2013·Granted Mar 29, 2016·5 cites·22 claims
- 1185US9685678B2Electrode materials with a synthetic solid electrolyte interfaceA123 SYSTEMS LLC·Filed 2014·Granted Jun 20, 2017·3 cites·27 claims
- 1285US9350017B2High performance lithium or lithium ion cellA123 SYSTEMS LLC·Filed 2013·Granted May 24, 2016·5 cites·17 claims
- 1384US10218027B2Vehicle starter batteryA123 SYSTEMS LLC·Filed 2014·Granted Feb 26, 2019·5 cites·10 claims
- 1484US9184467B2Low molecular weight salts combined with fluorinated solvents for electrolytesA123 SYSTEMS LLC·Filed 2013·Granted Nov 10, 2015·5 cites·21 claims
- 1584US2023253561A1High power electrode materialsA123 SYSTEMS LLC·Filed 2023·Application pending·0 cites
- 1684US2025070117A1Methods and systems for dry surface doping of cathode materialsA123 SYSTEMS LLC·Filed 2024·Application pending·0 cites
- 1783US2025357473A1Methods and systems for cathode pre-lithiation layerA123 SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 1882US2026016540A1Automatic battery system testing and reporting system and methodsA123 SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 1982US2026100478A1Solid-state electrolyte slurry mixing and coatingA123 SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 2082US2025309256A1Method and systems for coated cathode materials and use of coated cathode materialsA123 SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 2182US2024282936A1Methods and systems for salt-rinse surface doping of electrode materialsA123 SYSTEMS LLC·Filed 2024·Application pending·0 cites
- 2281US12362354B2Method and systems for coated cathode materials and use of coated cathode materialsA123 SYSTEMS LLC·Filed 2019·Granted Jul 15, 2025·1 cites·20 claims
- 2381US9954228B2High power electrode materialsA123 SYSTEMS LLC·Filed 2016·Granted Apr 24, 2018·1 cites·40 claims
- 2480US10270129B2Non-aqueous electrolytic rechargeable batteries for extended temperature range operationA123 SYSTEMS LLC·Filed 2015·Granted Apr 23, 2019·1 cites·11 claims
- 2580US9979053B2Hybrid battery systemA123 SYSTEMS LLC·Filed 2012·Granted May 22, 2018·2 cites·17 claims
- 2680US2024429365A1Cathode with pre-lithiation coating and methods for preparation and useA123 SYSTEMS LLC·Filed 2024·Application pending·0 cites
- 2778US10067197B2System and method for assessing voltage threshold detecting circuitry within a battery packA123 SYSTEMS LLC·Filed 2017·Granted Sep 4, 2018·1 cites·20 claims
- 2878US2024113514A1Protection circuit for battery management systemA123 SYSTEMS LLC·Filed 2023·Application pending·0 cites
- 2977US2024356068A1Systems and methods for a composite solid-state battery cell with an ionically conductive polymer electrolyteA123 SYSTEMS LLC·Filed 2024·Application pending·0 cites
- 3076US12266924B2Protection circuit for battery management systemA123 SYSTEMS LLC·Filed 2023·Granted Apr 1, 2025·0 cites·12 claims
- 3176US12266923B2Protection circuit for battery management systemA123 SYSTEMS LLC·Filed 2023·Granted Apr 1, 2025·0 cites·20 claims
- 3276US10938002B2Battery crush protection systemA123 SYSTEMS LLC·Filed 2016·Granted Mar 2, 2021·1 cites·19 claims
- 3376US2025174640A1Lithium tetraborate glass coating on cathode materials for improving safety and cycling stabilityA123 SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 3475US12412920B2Nanoscale pore structure cathode for high power applications and material synthesis methodsA123 SYSTEMS LLC·Filed 2024·Granted Sep 9, 2025·0 cites·9 claims
- 3575US11652207B2High power electrode materialsA123 SYSTEMS LLC·Filed 2019·Granted May 16, 2023·0 cites·11 claims
- 3674US11916185B2Nanoscale pore structure cathode for high power applications and material synthesis methodsA123 SYSTEMS LLC·Filed 2019·Granted Feb 27, 2024·0 cites·12 claims
- 3774US11196085B2Non-aqueous electrolytic rechargeable batteries for extended temperature range operationA123 SYSTEMS LLC·Filed 2019·Granted Dec 7, 2021·0 cites·11 claims
- 3873US9728759B2Separator for electrochemical cell and method for its manufactureA123 SYSTEMS LLC·Filed 2014·Granted Aug 8, 2017·1 cites·13 claims
- 3972US10147911B2Lithium ion prismatic cell comprising multiple jelly rolls with additional material between jelly rollsA123 SYSTEMS LLC·Filed 2013·Granted Dec 4, 2018·1 cites·3 claims
- 4072US9864014B2System and method for assessing voltage threshold detecting circuitry within a battery packA123 SYSTEMS LLC·Filed 2015·Granted Jan 9, 2018·1 cites·13 claims
- 4172US2025246603A1Abuse-tolerant lithium ion battery cathode blends with symbiotic power performance benefitsA123 SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 4272US2025183305A1Polymer binder additives for electrodesA123 SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 4371US12009507B2Methods and systems for salt-rinse surface doping of electrode materialsA123 SYSTEMS LLC·Filed 2021·Granted Jun 11, 2024·0 cites·15 claims
- 4470US12272823B2Polymer binder additives for electrodesA123 SYSTEMS LLC·Filed 2019·Granted Apr 8, 2025·0 cites·10 claims
- 4570US12244003B2Lithium tetraborate glass coating on cathode materials for improving safety and cycling stabilityA123 SYSTEMS LLC·Filed 2018·Granted Mar 4, 2025·0 cites·20 claims
- 4670US2022359862A1Methods and systems for cathode pre-lithiation layerA123 SYSTEMS LLC·Filed 2022·Application pending·0 cites
- 4769US12418019B2Cathode with pre-lithiation coating and methods for preparation and useA123 SYSTEMS LLC·Filed 2019·Granted Sep 16, 2025·0 cites·15 claims
- 4869US10181599B2Microwave drying of lithium-ion battery materialsA123 SYSTEMS LLC·Filed 2013·Granted Jan 15, 2019·3 cites·17 claims
- 4969US10026942B2Bus bar assembly including integrated bus bar supportA123 SYSTEMS LLC·Filed 2013·Granted Jul 17, 2018·1 cites·20 claims
- 5069US2025087700A1Systems and methods for coating cathode active materialA123 SYSTEMS LLC·Filed 2024·Application pending·0 cites
Showing the top 50 of 92 patent records by PatentIndex Score.
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