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 Phosphates are 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 |
|---|---|---|---|---|
| Electrochemical Cell | United States of America | 4879190 | Bellcore | 1989-11-07 |
| High Power Solid State Electrochemical Laminar Cell | United States of America | 4925751 | Bellcore | 1990-05-15 |
| Solid State Electrochemical Cell Having Porous Cathode Current Collector | United States of America | 4925752 | Bellcore | 1990-05-15 |
| Battery In A Vacuum Sealed Enveloping Material and A Process For Making the Same | United States of America | 4997732 | Bellcore | 1991-03-05 |
| Process For Making A Solid State Cell | United States of America | 5011501 | Bellcore | 1991-04-30 |
| Method of Preparation of LiCoO2 Intercalation Compound For Use In Secondary Lithium Batteries | United States of America | 5135732 | Other | 1992-08-04 |
| Silica Electrolyte Element For Secondary Lithium Battery | United States of America | 5194341 | Other | 1993-03-16 |
| Method of Preparing Li1+XM2O4 For Use As Secondary Battery Electrode | United States of America | 5196279 | Other | 1993-03-23 |
| Ultrathin Polymer Electrolyte Having High Conductivity | United States of America | 5217827 | Bellcore | 1993-06-08 |
| Lithium Rocking-Chair Rechargeable Battery and Electrode Therefore | United States of America | 5219680 | Bellcore | 1993-06-15 |
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