Nano and Advanced Materials Institute Limited

Wai Chun Luk

Kam Piu Ho

Ranshi Wang

Mei Mei Hsu

Kwok Keung Paul Ho

Paul Kwok Keung Ho

Wing Ho Choi

Yeming Xu

Fulin Zheng

Kwong Chau Kwok

Ivan Ka Yu Lau

Man Wah Liu

The present application discloses a high voltage electrolyte including an electrolyte solvent which includes a mixture of a dinitrile solvent and a nitrile solvent and is stable at voltage of about 5 V or above. The dinitrile solvent may include at least one selected from the group consisting of malononitrile, succinonitrile, glutaronitrile, adiponitrile, pimelonitrile, suberonitrile, azelanitrile and sebaconitrile. The nitrile solvent may include at least one selected from the group consisting of acetonitrile, propionitrile, butyronitrile, pivalonitrile and capronitrile. The present application also discloses a lithium ion battery including the above high voltage electrolyte. The lithium ion battery exhibits a cyclic performance of greater than about 300 cycles and with a capacity retention of greater than about 80%.

High voltage electrolyte and lithium ion battery

The present invention describes a method of producing a p-type light-absorbing semiconductor copper zinc tin selenide/sulfide (Cu(ZnSn)(SSe)) (abbreviated CZTS) with electrochemical deposition. It can be used in the production of solar cell when combined with an n-type inorganic or an organic semiconductor layer. The present method comprises a one-step or a sequence of depositions using electroplating to fabricate a low-cost and large-area CZTS solar cell, without using expensive and complicated deposition techniques or highly toxic and flammable chemicals in the production process. The present method significantly reduces the cost and energy requirement for production of solar cell.

Non-vacuum method of manufacturing light-absorbing materials for solar cell application

Growing community of inventors

Hong Kong, China

Wai Chun Luk