The University of Texas System

Yongzhu Fu

Arumugam Manthiram

In one embodiment, the present disclosure relates to a rechargeable Li&#x2014;S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present disclosure relates to a charged or partially charged rechargeable Li&#x2014;S battery including a cathode including a fibrous carbon material and amorphous microparticles of elemental sulfur, a catholyte including high-order polysulfides having a general formula of LiS, wherein n is at least eight, and an anode. In another embodiment, the present disclosure relates to a discharged or partially discharged rechargeable Li&#x2014;S battery including a cathode including a fibrous carbon material and amorphous microparticles of LiS, a catholyte including a negligible amount of polysulfides, and an anode.

Lithium/dissolved polysulfide rechargeable lithium&#x2014;sulfur batteries and methods of making the same

The present invention includes method, compositions and devices including acid-base polymer membranes with high proton conductivity at low relative humidity, good thermal and mechanical stabilities and low methanol crossover. The acid-base polymer membrane includes an acidic polymer mixed with a basic polymer. The acidic polymer includes an acidic group attached to an aromatic polymer, while the basic polymer includes at least one heterocyclic ring structure attached to an aromatic polymer.

Growing community of inventors

Austin, TX, United States of America

Yongzhu Fu