journal article·2018-12-26

Toward Bifunctional Overall Water Splitting Electrocatalyst: General Preparation of Transition Metal Phosphide Nanoparticles Decorated N-Doped Porous Carbon Spheres

Konglin Wu, Zheng Chen, Weng-Chon Cheong, Shoujie Liu, Wei Zhu, Xing Cao, Kaian Sun, Yan Lin, Lirong Zheng, Wensheng Yan, Yuan Pan, Dingsheng Wang, Qing Peng, Chen Chen, Yadong Li

ACS Applied Materials & Interfaces· Volume 10· Issue 51
Publisher page

Abstract

It is very important to explore novel synthesis strategies for constructing highly active and inexpensive electrocatalysts for water-splitting. In present work, a novel and efficient coordination-polymerization-pyrolysis (CPP) strategy was developed to prepare cobalt phosphide nanoparticles modified N-doped porous carbon spheres (CoP@NPCSs) hybrids as a powerful catalyst for overall water-splitting (OWS). It can be found that both the carbonization temperatures and the metal contents affect the electrocatalytic performances. As a result, a device assembled with CoP@NPCSs demonstrates low potential (1.643 V @ 10 mA·cm–2) and good stabilization for OWS. Besides, other transition metal phosphides (TMPs)-based materials also can be synthesized by the CPP approach, evidencing the generality of the CPP strategy. Here, we not only constructs a high-efficiency OWS catalyst, but also broadens the synthetic methodology of TMPs from nanoscale.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Electrocatalysts for Energy Conversion · Fuel Cells and Related Materials · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry, Tsinghua University, Beijing, 100084, China

Center of Single-Atom, Clusters and Nanomaterials (CAN), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China

State Key Lab of Organic−Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China

State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, China

Beijing Synchrotron Radiation Facility (NSRF), Chinese Academy of Science, Beijing 100049, China

National Synchrotron Radiation Laboratory (NSRL), University of Science and Technology of China, Hefei, Anhui 230029, China

Funding

Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Beijing Municipality · China Postdoctoral Science Foundation · National Natural Science Foundation of China

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