Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Evan Uchaker"'
Publikováno v:
Energy Storage Materials. 11:205-259
Revitalized interest in vanadium pentoxide (V2O5) arises from two very important developments in rechargeable batteries. One is the push on lithium-ion batteries for higher energy density batteries: using lithium metal as anode and searching for high
Autor:
Shuen Hou, Jie Dong, Hongyun Jin, Jiangyu Li, Evan Uchaker, Guozhong Cao, Min Liu, Qifeng Zhang
Publikováno v:
CrystEngComm. 19:4287-4293
The Na3V2O2(PO4)2F/graphene sandwich cathode has attracted great attention as a potential candidate for sodium-ion batteries in view of its high capacity and good cycling ability. However, a big issue for Na3V2O2(PO4)2F/graphene is its extremely poor
Autor:
Jiacheng Wang, Stephanie L. Candelaria, Pengxi Li, Ruguang Ma, Guozhong Cao, Evan Uchaker, Qian Liu, Yao Zhou, Yongfang Chen
Publikováno v:
Journal of Power Sources. 314:39-48
Phosphorus (P)/sulfur (S) co-doped porous carbon derived from resorcinol and furaldehyde are synthesized through one-step sol-gel processing with the addition of phosphorus pentasulfide as P and S source followed with freeze-drying and pyrolysis in n
Autor:
Weishan Li, Bin Huang, Shuang Li, Evan Uchaker, Yi Pei, Guozhong Cao, Bin Li, Xi Cao, Xiaoping Li, Yaqiong Wang
Publikováno v:
ChemNanoMat. 2:281-289
A nanocomposite of polyaniline (PANI)/mesoporous tungsten trioxide (m-WO3) was synthesized by the chemical oxidation polymerization of aniline coated onto an ordered m-WO3 and investigated as an anode material for lithium-ion batteries. The nanocompo
Publikováno v:
CrystEngComm. 18:2532-2540
Amorphous, pseudohexagonal and orthorhombic Nb2O5 nanoparticles were synthesized using a facile and green sol–gel process followed by thermal treatment at 450 °C, 600 °C and 800 °C for 3 h in air, respectively. The resulting materials have been
Publikováno v:
Journal of Materials Chemistry A. 4:4242-4251
Layered TiNb2O7/graphene composites (TNO/G) were synthesized through simple direct dispersion and blending in an aqueous solvent followed by a freeze drying process and an annealing treatment under Ar. The graphene sheets are well separated by TiNb2O
Publikováno v:
Mechanics of Materials. 91:333-342
The mechanical characterization of electrode materials in thin film lithium ion batteries is currently a sparse area. However, mechanical studies could offer valuable insight since the performance and breakdown of active materials is electromechanica
Publikováno v:
Chemistry of Materials. 27:7082-7090
Na1.25+xV3O8 (with x 0) was synthesized via a wet chemical route involving the reduction of V2O5 in oxalic acid and NaNO3 followed by calcination. It was possible to control the sodium composition in the final product by adjusting the amount of sodiu
Publikováno v:
Science China Materials. 58:715-766
The need for economical and sustainable energy storage drives battery research today. While Li-ion batteries are the most mature technology, scalable electrochemical energy storage applications benefit from reductions in cost and improved safety. Sod
Autor:
Guozhong Cao, Christine K. Luscombe, Stephanie L. Candelaria, Trevor R. Martin, David F. Zeigler, Sabin-Lucian Suraru, Katherine A. Mazzio, Lauren J. Kang, Evan Uchaker
Publikováno v:
Macromolecules. 48:5196-5203
A series of n-type hyperbranched polymers exhibiting variable porosity and excellent electrochemical stability are presented for use as the cathodes of asymmetric supercapacitors. The polymers are designed with triphenylamine (TPA) cores and naphthal