Inventor · disambiguated record
Subramanian Venkatachalam
Also filed as: VENKATACHALAM SUBRAMANIAN
34 granted patents·7 pending applications·484 citations·filing 2008–2024
97Inventor score
Files withZENLABS ENERGY INC12ENVIA SYSTEMS INC11AMIRUDDIN SHABAB4LOPEZ HERMAN A3VENKATACHALAM SUBRAMANIAN3
Top patents by PatentIndex Score
41 records- 0198US9166222B2Lithium ion batteries with supplemental lithiumAMIRUDDIN SHABAB·Filed 2010·Granted Oct 20, 2015·41 cites·15 claims
- 0298US8389160B2Positive electrode materials for lithium ion batteries having a high specific discharge capacity and processes for the synthesis of these materialsVENKATACHALAM SUBRAMANIAN·Filed 2008·Granted Mar 5, 2013·88 cites·18 claims
- 0397US8535832B2Metal oxide coated positive electrode materials for lithium-based batteriesKARTHIKEYAN DEEPAK KUMAAR KANDASAMY·Filed 2010·Granted Sep 17, 2013·76 cites·16 claims
- 0497US8394534B2Layer-layer lithium rich complex metal oxides with high specific capacity and excellent cyclingLOPEZ HERMAN A·Filed 2010·Granted Mar 12, 2013·48 cites·24 claims
- 0596US9923195B2Lithium ion batteries with supplemental lithiumAMIRUDDIN SHABAB·Filed 2011·Granted Mar 20, 2018·16 cites·12 claims
- 0696US9843041B2Coated positive electrode materials for lithium ion batteriesLOPEZ HERMAN A·Filed 2009·Granted Dec 12, 2017·32 cites·17 claims
- 0796US9190694B2High capacity anode materials for lithium ion batteriesLOPEZ HERMAN A·Filed 2010·Granted Nov 17, 2015·33 cites·14 claims
- 0895US10290871B2Battery cell engineering and design to reach high energyENVIA SYSTEMS INC·Filed 2015·Granted May 14, 2019·10 cites·19 claims
- 0995US10003068B2High capacity anode materials for lithium ion batteriesENVIA SYSTEMS INC·Filed 2015·Granted Jun 19, 2018·7 cites·22 claims
- 1094US8663849B2Metal halide coatings on lithium ion battery positive electrode materials and corresponding batteriesVENKATACHALAM SUBRAMANIAN·Filed 2010·Granted Mar 4, 2014·14 cites·23 claims
- 1194US8475959B2Lithium doped cathode materialVENKATACHALAM SUBRAMANIAN·Filed 2010·Granted Jul 2, 2013·11 cites·8 claims
- 1292US8765306B2High voltage battery formation protocols and control of charging and discharging for desirable long term cycling performanceAMIRUDDIN SHABAB·Filed 2010·Granted Jul 1, 2014·26 cites·15 claims
- 1391US11094925B2Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performanceZENLABS ENERGY INC·Filed 2018·Granted Aug 17, 2021·5 cites·23 claims
- 1491US10193135B2Positive electrode active materials with composite coatings for high energy density secondary batteries and corresponding processesENVIA SYSTEMS INC·Filed 2016·Granted Jan 29, 2019·4 cites·28 claims
- 1591US9552901B2Lithium ion batteries with high energy density, excellent cycling capability and low internal impedanceAMIRUDDIN SHABAB·Filed 2012·Granted Jan 24, 2017·11 cites·32 claims
- 1691US9139441B2Porous silicon based anode material formed using metal reductionANGUCHAMY YOGESH KUMAR·Filed 2012·Granted Sep 22, 2015·16 cites·18 claims
- 1791US9070489B2Mixed phase lithium metal oxide compositions with desirable battery performanceENVIA SYSTEMS INC·Filed 2013·Granted Jun 30, 2015·7 cites·24 claims
- 1891US8741485B2Layer-layer lithium rich complex metal oxides with high specific capacity and excellent cyclingENVIA SYSTEMS INC·Filed 2013·Granted Jun 3, 2014·6 cites·24 claims
- 1990US8465873B2Positive electrode materials for high discharge capacity lithium ion batteriesLOPEZ HERMAN·Filed 2008·Granted Jun 18, 2013·15 cites·11 claims
- 2089US8916294B2Fluorine doped lithium rich metal oxide positive electrode battery materials with high specific capacity and corresponding batteriesKUMAR SUJEET·Filed 2009·Granted Dec 23, 2014·9 cites·24 claims
- 2185US2022384778A1Lithium ion batteries with supplemental lithiumZENLABS ENERGY INC·Filed 2022·Application pending·0 cites
- 2282US10553871B2Battery cell engineering and design to reach high energyMASARAPU CHARAN·Filed 2012·Granted Feb 4, 2020·4 cites·17 claims
- 2382US10115962B2High capacity cathode material with stabilizing nanocoatingsENVIA SYSTEMS INC·Filed 2012·Granted Oct 30, 2018·3 cites·23 claims
- 2481US12438142B2Electrodes and lithium ion cells with high capacity anode materialsZENLABS ENERGY INC·Filed 2022·Granted Oct 7, 2025·0 cites·12 claims
- 2580US11380883B2Method of forming negative electrode active material, with lithium preloadingZENLABS ENERGY INC·Filed 2021·Granted Jul 5, 2022·0 cites·11 claims
- 2679US2024351913A1Cost effective synthesis of oxide materials for lithium ion batteriesBATTELLE MEMORIAL INSTITUTE·Filed 2024·Application pending·0 cites
- 2775US12030789B2Cost effective synthesis of oxide materials for lithium ion batteriesBATTELLE MEMORIAL INSTITUTE·Filed 2021·Granted Jul 9, 2024·0 cites·19 claims
- 2875US11742474B2Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performanceZENLABS ENERGY INC·Filed 2021·Granted Aug 29, 2023·0 cites·11 claims
- 2974USRE49980EPositive electrode active materials with composite coatings for high energy density secondary batteries and corresponding processesZENLABS ENERGY INC·Filed 2021·Granted May 21, 2024·0 cites·41 claims
- 3074US11502299B2Battery cell engineering and design to reach high energyZENLABS ENERGY INC·Filed 2020·Granted Nov 15, 2022·0 cites·14 claims
- 3174US10020491B2Silicon-based active materials for lithium ion batteries and synthesis with solution processingENVIA SYSTEMS INC·Filed 2013·Granted Jul 10, 2018·2 cites·20 claims
- 3272US2018198118A1Lithium ion batteries with supplemental lithiumZENLABS ENERGY INC·Filed 2018·Application pending·0 cites
- 3371US11309534B2Electrodes and lithium ion cells with high capacity anode materialsZENLABS ENERGY INC·Filed 2018·Granted Apr 19, 2022·0 cites·10 claims
- 3471US2024297338A1Lithium ion cells with high performance electrolyte and silicon oxide active materials achieving very long cycle life performanceIONBLOX INC·Filed 2024·Application pending·0 cites
- 3567US2014234716A1Layer-layer lithium rich complex metal oxides with high specific capacity and excellent cyclingENVIA SYSTEMS INC·Filed 2014·Application pending·0 cites
- 3663US12355079B2Lithium ion cells with silicon based active materials and negative electrodes with water-based binders having good adhesion and cohesionZENLABS ENERGY INC·Filed 2020·Granted Jul 8, 2025·0 cites·23 claims
- 3763US9960424B2Positive electrode materials for high discharge capacity lithium ion batteriesENVIA SYSTEMS INC·Filed 2013·Granted May 1, 2018·0 cites·18 claims
- 3863US2018062170A1Coated positive electrode materials for lithium ion batteriesZENLABS ENERGY INC·Filed 2017·Application pending·0 cites
- 3961US2013142944A1Positive electrode materials for lithium ion batteries having a high specific discharge capacity and processes for the synthesis of these materialsENVIA SYSTEMS INC·Filed 2013·Application pending·0 cites
- 4058US10170762B2Lithium metal oxides with multiple phases and stable high energy electrochemical cyclingENVIA SYSTEMS INC·Filed 2012·Granted Jan 1, 2019·0 cites·20 claims
- 4154US11973178B2Lithium ion cells with high performance electrolyte and silicon oxide active materials achieving very long cycle life performanceZENLABS ENERGY INC·Filed 2019·Granted Apr 30, 2024·0 cites·16 claims
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