Patent Portfolio

Valence PatentsValence holds an extensive, domestic and worldwide patent portfolio. We provide our customers and licensees with a wide range of technology and products, as well as services including design engineering and production.

Lithium Iron Magnesium Phosphate Technology

Lithium iron magnesium phosphate is our technology platform for safety, high energy, low cost, environmentally friendly energy solutions. Our portfolio includes many patents related to our phosphate cathode materials, as well as patents relating to production and battery design.

Title of Patent Country Patent Number Technology Date Issued
Vanadium Oxide Cathode Active Material and Method of Making Same United States of America 5340671 Other 1994-08-23
Acidity Reduction of Adhesion-Promoter Layer United States of America 5399447 Bellcore 1995-03-21
Dual Purpose Lithium Salts For Electrochemical Cells United States of America 5411820 Bellcore 1995-05-02
Polymeric electrolytic cell separator membrane United States of America 5418091 Other 1995-05-23
Additive For Electrode United States of America 5419985 Bellcore 1995-05-30
Electrically-Conducting Adhesion-Promoters On Conductive Plastic United States of America 5441830 Bellcore 1995-08-15
Fire Resistant Curable Solid Electrolytes and Electrolytic Cells Produced Therefrom United States of America 5455127 Bellcore 1995-10-03
Method of making an electrolyte activatable lithium-ion rechargeable battery cell United States of America 5456000 Other 1995-10-10
Electrolyte activatable lithium-ion rechargeable battery cell United States of America 5460904 Other 1995-10-24
Method of making a laminated lithium-ion rechargeable battery cell United States of America 5470357 Other 1995-11-28
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