▲ Vol 02 Issue 05 |  May, 2023

Single-Molecule Electronic Biosensors: Principles and Applications

Xinyue Chang, Yani Huo, Cong Zhao, Wanqi Sun, Ziqi Song, Ziyuan Qi, Jinying Wang, Chuancheng Jia, Xuefeng Guo

Single-Molecule Electronic Biosensors
In article number 2200084, Jinying Wang, Chuancheng Jia, Xuefeng Guo, and co-workers summarize the working principles, device architectures, and potential applications of single-molecule electronic biosensors for near-field and real-time detection of single biomolecules, and provide a promising optoelectronic integrated system for realizing synchronous acquisition of electrical and optical signals of single biomolecules.

https://onlinelibrary.wiley.com/doi/10.1002/adsr.202370013

▲ Vol 06 Issue 03 |  May, 2023

Single-Atom Lithiophilic Sites Confined within Ordered Porous Carbon for Ultrastable Lithium Metal Anodes

Wenzhong Huang, Shanlin Liu, Ruohan Yu, Liang Zhou, Zhenhui Liu, Liqiang Mai

Attributing to the high specific capacity and low electrochemical reduction potential, lithium (Li) metal is regarded as the most promising anode for high-energy Li batteries. However, the growth of lithium dendrites and huge volume change seriously limit the development of lithium metal batteries. To overcome these challenges, an ordered mesoporous N-doped carbon with lithiophilic single atoms is proposed to induce uniform nucleation and deposition of Li metal. Benefiting from the synergistic effects of interconnected three-dimensional ordered mesoporous structures and abundant lithiophilic single-atom sites, regulated local current density and rapid mass transfer can be achieved, leading to the uniform Li deposition with inhibition of dendrites and buffered volume expansion. As a result, the as-fabricated anode exhibits a high CE of 99.8% for 200 cycles. A stable voltage hysteresis of 14 mV at 5 mA cm−2 could be maintained for more than 1330 h in the symmetric cell. Furthermore, the full cell coupled with commercial LiFePO4 exhibits high reversible capacity of 108 mAh g−1 and average Coulombic efficiency of 99.8% from 5th to 350th cycles at 1 C. The ordered mesoporous carbon host with abundant lithiophilic single-atom sites delivers new inspirations into rational design of high-performance Li metal anodes.

https://onlinelibrary.wiley.com/doi/10.1002/eem2.12466

▲ Vol 80 |  May, 2023

Integrated interface configuration by in-situ interface chemistry enabling uniform lithium deposition in all-solid-state lithium metal batteries

Yu-Long Liao, Jiang-Kui Hu, Zhong-Heng Fu, Chen-Zi Zhao, Yang Lu, Shuai L, Shi-Jie Yang, Shuo Sun, Xi-Long Wang, Jia Liu, Jia-Qi Huang, Hong Yuan

All-solid-state lithium metal batteries (ASSLMBs) are considered as one of the ultimate goals for the development of energy storage systems due to their high energy density and high safety. However, the mismatching of interface transport kinetics as well as interfacial instability induces the growth of lithium dendrite and thus, leads to severe degradation of battery electrochemical performances. Herein, an integrated interface configuration (IIC) consisting of in-situ generated LiI interphase and Li-Ag alloy anode is proposed through in-situ interface chemistry. The IIC is capable of not only regulating charge transport kinetics but also synchronously stabilizing the lithium/electrolyte interface, thereby achieving uniform lithium platting. Therefore, Li||Li symmetric cells with IIC achieve a critical current density of up to 1.6 mA cm−2 and achieve stable cycling over 1600 hours at a high current density of 0.5 mA cm−2. Moreover, a high discharge capacity of 140.1 mA h g−1 at 0.1 C is also obtained for the Li(Ni0.6Co0.2Mn0.2)O2 (NCM622) full battery with a capacity retention of 65.6% after 300 cycles. This work provides an effective method to synergistically regulate the interface transport kinetics and inhibit lithium dendrite growth for high-performance ASSLMBs.

https://www.sciencedirect.com/science/article/abs/pii/S2095495623001018

https://www.scimage.cn/artwork/3606.html

▲ Vol 05 Issue 01 |  01 May, 2023

Hydrogen economy driven by offshore wind in regional comprehensive economic partnership members

Wennan Zhuang, Guangsheng Pan, Wei Gu, Suyang Zhou, Qinran Hu, Zhongfan Gu, Zhi Wu, Shuai Lu and Haifeng Qiu

Hydrogen is expected to be an essential part of the global energy trade. Herein, we explore the offshore wind-based hydrogen (OWH) in the Regional Comprehensive Economic Partnership (RCEP) members. The results show that the OWH production potential in the RCEP members can reach approximately 1200 megatons, which will be reduced to a tenth when facing the 2050 cost-competitive onshore renewable hydrogen from RCEP members. A co-development optimisation model of all the RCEP members shows that low-cost OWH in Australia, New Zealand, and China can be exported to the Association of Southeast Asian Nations (ASEAN), the Republic of Korea, and Japan on a large scale. In 2050, compared with the non-trade scenario, the average levelized cost of used hydrogen (LCOHU) in RCEP members will be reduced by 0.29 perkg,bringinganeconomicbenefitofperkg,bringinganeconomicbenefitof33.3 billion. Two key parameters, i.e., onshore renewable hydrogen cost and forecasted hydrogen demands, are used to verify the stability of the import and export roles of RCEP members. Consequently, it is concluded that OWH can contribute to offshore wind exploitation and the hydrogen economy among RCEP members.

https://pubs.rsc.org/en/content/articlelanding/2023/ee/d2ee02332f

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静远嘲风（MY Scimage） 成立于2007年，嘲风取自中国传统文化中龙生九子，子子不同的传说，嘲风为守护屋脊之瑞兽，喜登高望远；静远取自成语“宁静致远”，登高莫忘初心，远观而不可务远。

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