Co9S8 Nanosheet Coupled Cu2S Nanorod Heterostructure as Efficient Catalyst for Overall Water Splitting

2021 ◽  
Vol 13 (8) ◽  
pp. 9865-9874
Author(s):  
Zehao Zang ◽  
Xuewei Wang ◽  
Xiang Li ◽  
Qingling Zhao ◽  
Lanlan Li ◽  
...  
Author(s):  
Muhammad Ahmad ◽  
Baojuan Xi ◽  
Yu Gu ◽  
Hua Zhang ◽  
Shenglin Xiong

To develop a cost-effective and highly abundant catalyst for overall water splitting is highly desirable.  Herein, we report a feasible approach to fabricate a catalyst based on phase-separated heterointerfaces in...


2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Dongshuang Wu ◽  
Kohei Kusada ◽  
Satoru Yoshioka ◽  
Tomokazu Yamamoto ◽  
Takaaki Toriyama ◽  
...  

AbstractWater is the only available fossil-free source of hydrogen. Splitting water electrochemically is among the most used techniques, however, it accounts for only 4% of global hydrogen production. One of the reasons is the high cost and low performance of catalysts promoting the oxygen evolution reaction (OER). Here, we report a highly efficient catalyst in acid, that is, solid-solution Ru‒Ir nanosized-coral (RuIr-NC) consisting of 3 nm-thick sheets with only 6 at.% Ir. Among OER catalysts, RuIr-NC shows the highest intrinsic activity and stability. A home-made overall water splitting cell using RuIr-NC as both electrodes can reach 10 mA cm−2geo at 1.485 V for 120 h without noticeable degradation, which outperforms known cells. Operando spectroscopy and atomic-resolution electron microscopy indicate that the high-performance results from the ability of the preferentially exposed {0001} facets to resist the formation of dissolvable metal oxides and to transform ephemeral Ru into a long-lived catalyst.


2019 ◽  
Vol 327 ◽  
pp. 134958 ◽  
Author(s):  
Caiyan Gao ◽  
Haiyang Wang ◽  
Shuaihui Li ◽  
Bo Liu ◽  
Jinghe Yang ◽  
...  

2020 ◽  
Vol 10 (18) ◽  
pp. 6266-6273
Author(s):  
Yalan Zhang ◽  
Zebin Yu ◽  
Ronghua Jiang ◽  
Jung Huang ◽  
Yanping Hou ◽  
...  

Excellent electrochemical water splitting with remarkable durability can provide a solution to satisfy the increasing global energy demand in which the electrode materials play an important role.


Author(s):  
Yaru Li ◽  
Yu-Quan Zhu ◽  
Weili Xin ◽  
Song Hong ◽  
Xiaoying Zhao ◽  
...  

Rationally designing low-content and high-efficiency noble metal nanodots offers opportunities to enhance electrocatalytic performances for water splitting. However, the preparation of highly dispersed nanodots electrocatalysts remains a challenge. Herein, we...


2020 ◽  
Vol 11 (2) ◽  
pp. 458-466
Author(s):  
D. V. Fominski ◽  
V. N. Nevolin ◽  
R. I. Romanov ◽  
V. Yu. Fominski ◽  
O. V. Komleva ◽  
...  

2018 ◽  
Vol 11 (5) ◽  
pp. 1287-1298 ◽  
Author(s):  
Prashanth W. Menezes ◽  
Chakadola Panda ◽  
Stefan Loos ◽  
Florian Bunschei-Bruns ◽  
Carsten Walter ◽  
...  

The mechanistically distinct and synergistic role of phosphite anions in hydrogen evolution and nickel cations in oxygen evolution have been uncovered for active and durable overall water splitting catalysis in nickel phosphite.


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