Patent Portfolio
Valence 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 |
| Fire Resistant Curable Solid Electrolytes and Electrolytic Cells Produced Therefrom | United States of America | 5455127 | Bellcore | 1995-10-03 |
| Method of making a laminated lithium-ion rechargeable battery cell | United States of America | 5470357 | Other | 1995-11-28 |
| Rechargeable lithium battery construction | United States of America | 5478668 | Other | 1995-12-26 |
| Solid Electrolytes Derived By Polymerization of Vinyl Sulfonate Derivaties | United States of America | 5498491 | Bellcore | 1996-03-12 |
| Battery With Fusible Solid Electrolyte | United States of America | 5534365 | Bellcore | 1996-07-09 |
| Lithium secondary battery extraction method | United States of America | 5540741 | Other | 1996-07-30 |
| Method of Making Lithium Vanadium-Oxide Active Material | United States of America | 5549880 | Other | 1996-08-27 |
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