Patent application number | Description | Published |
20140255792 | Polyurethane Based Electrolyte Systems For Electrochemical Cells - The invention relates to a polymer gel electrolyte system for use in an electrochemical cell having positive and negative electrodes, said electrolyte system comprising: (A) a poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent. The invention also provides an electrochemical cell comprising a positive electrode, a negative electrode, and (I) a polymer electrolyte disposed between said positive and negative electrodes, wherein the polymer electrolyte comprises (A) the poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent. | 09-11-2014 |
20140287323 | Polyurethane Based Membranes And/Or Separators For Electrochemical Cells - The invention relates to a membrane comprising a poly(dialkylene ester) thermoplastic polyurethane composition. The invention also provides an electrochemical cell comprising a positive electrode, a negative electrode, and (I) a separator membrane disposed between said positive and negative electrodes, wherein the said membrane comprises (A) the described poly(dialkylene ester) thermoplastic polyurethane composition. | 09-25-2014 |
20140302398 | Polyurethane-Based Electrode Binder Compositions And Electrodes Thereof For Electrochemical Cells - The invention relates to an electrode binder composition, an electrode made using the described binder composition, and an electrochemical cell made using the described electrode, where the all of these materials are made using a composition of a poly(dialkylene ester) thermoplastic polyurethane composition. The electrode is made using the described thermoplastic polyurethane and an electrode active material. The electrochemical cells can be made using the described electrodes and also using (i) membranes and/or separators made using the described poly(dialkylene ester) thermoplastic polyurethane composition; (ii) an electrolyte system based on the described poly(dialkylene ester) thermoplastic polyurethane composition; or (iii) a combination thereof. | 10-09-2014 |