Abstract: A mixed metal oxide catalyst, particularly Pt and Ru containing oxide catalysts, based catalysts for polymer electrolyte membrane (PEM) fuel cells, water electrolysis, regenerative fuel cells (RFC) or oxygen generating electrodes in various electrolysis applications.

Abstract: The invention relates to a process for manufacturing a multilayered porous transport layer, the process comprising (a) providing a first feedstock comprising first metal particles and a first polymer binder; and providing a second feedstock comprising second metal particles and a second polymer binder; the first and the second feedstock having a metal powder content of 40 to 70% by volume; and the first feedstock having (i) metal particles with a smaller average particles size, (ii) a higher metal powder content, or (iii) both, metal particles with a smaller average particles size and a higher metal powder content compared to the second feedstock; (b) coextruding the first and the second feedstock to form a film-shaped green body comprising a first layer and a second layer, the second layer being materially connected to the first layer above the melting temperature and or glass transition temperature of the first polymer binder and the second polymer binder; (c) optionally smoothening the film-shaped gr

Abstract: Disclosed herein are processes comprising electrolyzing an aqueous solution comprising lithium, wherein the aqueous solution has a pH less than 0.5. Also disclosed are processes comprising electrolyzing a first aqueous solution comprising lithium to obtain a second aqueous solution comprising lithium, and an acidic aqueous solution having a pH less than 0.5, adjusting the pH of the second aqueous solution with the acidic aqueous solution to obtain a third aqueous solution comprising lithium having a pH less than 0.5, and electrolyzing the third aqueous solution comprising lithium. Additionally disclosed are, processes comprising stripping a liquid medium comprising lithium with an acidic aqueous solution to obtain an aqueous solution comprising lithium, and electrolyzing the aqueous solution comprising lithium. Further disclosed are processes for preparing a liquid medium comprising lithium.

Abstract: A module battery having high thermal insulating performance during standby and being easy to manufacture is provided. In a module battery container including: a box for containing a plurality of cells each being a high-temperature secondary cell; and a lid for occluding an opening of the box, the box and the lid each have an atmospheric thermal insulating structure including: an inner container and an outer container each including a metal plate and having a cuboid shape; and a thermal insulating material loaded between the inner container and the outer container, and, in each of the box and the lid, the inner container and the outer container are not in contact with each other, and the thermal insulating material is exposed only at an open end.

Abstract: Disclosed herein is an electrochemical energy storage device including a plurality of electrochemical cells in a containing space in a housing. The electrochemical energy storage device includes a first duct that runs parallel to the top or the bottom of the housing and one or more heat transfer members that are arranged in spaces between the electrochemical cells, where at least one of the heat transfer members protrudes into the first duct.

Abstract: The invention provides a method of treating waste comprising the steps of: providing an electrochemical cell comprising a cathode, and an anode; supplying a waste stream comprising an organic compound which is a liquid or dissolved in a solvent and contacting the anode and cathode with the waste stream; electrochemically oxidising the organic compound at the anode; supplying oxygen to the cathode; electrochemically reducing the oxygen at the cathode; wherein the cathode comprises a poison resistant oxygen reduction catalyst.

Abstract: The present invention relates to a method for preparing a catalyst which can be used to catalyse the oxygen reduction reaction (ORR). The invention also provides a catalyst obtained from the method and its use as an electrode, for example, in a galvanic cell, an electrolytic cell or an oxygen sensor.