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555
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Updated on
19/12/2025 [06:59:00]
Results 550 to 555 of 555
Absstract of: CN120818851A
The invention belongs to the technical field of nano material preparation, and discloses a preparation method and application of a multi-shell rare earth doped CoP/CoO microsphere material. A metal salt solution and an organic ligand are mixed, a CoLn-OL precursor is obtained under the participation of a surfactant, and a multi-shell rare earth doped CoP/CoO spherical material, namely CoP/CoO-Ln-ms, is obtained through two-step calcination. The preparation method provided by the invention is simple, green, pollution-free and high in practical degree, and the obtained nanometer materials such as CoP/CoO-ms, CoP/CoO-Ce-ms, CoP/CoO-Ce-ms, CoP/CoO-La-ms and the like can be used as a hydrogen evolution reaction catalyst for electrolyzing water.
Absstract of: JP2025159694A
【課題】シャットダウンせずに、陰極への金属の析出を抑制することと、陰極上に析出した金属を溶解除去することと、が可能な電解装置の運転方法を提供する。【解決手段】相互に隔膜４で区画された、陽極２ａを有する陽極室５ａと、陰極２ｃを有する陰極室５ｃと、を具える電解装置の運転方法であって、前記陽極室５ａ及び前記陰極室５ｃは、電解液で満たされており、可逆水素電極（ＲＨＥ）よりも負に大きい電位領域で、前記陰極２ｃの電位Ｅｃを制御することで、前記陰極２ｃの電位Ｅｃを負の方向に大きくさせる物質の前記陰極２ｃへの付着を抑制し且つ前記陰極２ｃの電位Ｅｃを負の方向に大きくさせる物質を前記陰極２ｃから除去することを特徴とする、電解装置の運転方法である。【選択図】図３
Absstract of: CN120818861A
The invention discloses an electrolytic cell membrane electrode state evaluation method and system, and belongs to the technical field of renewable energy water electrolysis hydrogen production, and the method comprises the following steps: generating a polarization curve according to a change relation between electrolytic cell electric signals, selecting a working condition point from the polarization curve based on regional characteristics on the polarization curve and electrochemical parameters of a membrane electrode, obtaining a parameter equation; maximizing the matching degree of the fitting value of the electric signal and the actual value of the electric signal as a fitting target in the fitting model, and performing fitting through a least square method in the fitting model based on a parameter equation to obtain an optimal electrochemical parameter value; and evaluating the state of the membrane electrode based on the optimal electrochemical parameter value. The technical problem that the membrane electrode state is difficult to accurately evaluate in the prior art is solved.
Absstract of: CN120818844A
The invention relates to the technical field of hydrogen production through photoelectrocatalysis water decomposition, and particularly discloses a BaTaO2N photo-anode and a preparation method thereof.The preparation method comprises the steps that a clean tantalum sheet is taken and placed in a closed container containing a potassium hydroxide solution for a reaction, alkali liquor attached to the surface of the tantalum sheet is repeatedly washed away with deionized water, then the tantalum sheet is placed in a container containing a barium salt solution for a reaction for a proper time, and a BaTaO2N photo-anode is obtained; and washing redundant barium ions attached to the surface with deionized water to obtain a matte color hydrated barium tantalate film, and finally sintering the hydrated barium tantalate film in an ammonia gas atmosphere for a certain time to obtain a sample wafer with metallic luster, namely the BaTaO2N photo-anode. According to the preparation method, an ion exchange synergetic crystalline phase conversion method is adopted, in the preparation process of the BaTaO2N photo-anode, tantalum atoms and barium atoms are uniformly arranged on the surface of a tantalum sheet in advance, and the product is uniform in crystal grain, good in repeatability and low in cost. The method is mild in preparation condition, high in energy utilization rate, low in equipment requirement and high in generalization performance, and has extremely high application value in t
Nº publicación: KR20250150556A 20/10/2025
Applicant:
썬그린에이치피티이엘티디
Absstract of: AU2024213038A1
An electrolyser system and method of electrode manufacture. The electrolyser system may comprise a first vessel in communication with an electrolyser stack, a power supply, an electrode, a separator, a membrane, and a second vessel in communication with the electrolyser stack. The electrode may comprise a catalytic material and a micro- porous and/or nano-porous structure. The method of electrode manufacture may comprise providing a substrate, contacting the substrate with an acidic solution, applying an electric current to the substrate, simultaneously depositing a main material and supporting material comprising a scarifying material onto the substrate, and leaching the scarifying material.
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