The development of aqueous battery with dual mechanisms is now arousing more and more *** dual mechanisms of Zn^(2+)(de)intercalation and I^(-)/I_(2)redox bring unexpected ***,differing from previous studies using Zn ...
详细信息
The development of aqueous battery with dual mechanisms is now arousing more and more *** dual mechanisms of Zn^(2+)(de)intercalation and I^(-)/I_(2)redox bring unexpected ***,differing from previous studies using Zn I_(2)additive,this work designs an aqueous Bi I_(3)-Zn battery with selfsupplied I^(-).Ex situ tests reveal the conversion of Bi I_(3)into Bi(discharge)and Bi OI(charge)at the 1st cycle and the dissolved I^(-)in *** active I^(-)species enhances the specific capacity and discharge medium voltage of electrode as well as improves the generation of Zn dendrite and ***,the porous hard carbon is introduced to enhance the electronic/ionic conductivity and adsorb iodine species,proven by experimental and theoretical ***,the well-designed Bi I_(3)-Zn battery delivers a high reversible capacity of 182 m A h g^(-1)at 0.2 A g^(-1),an excellent rate capability with 88 m A h g^(-1)at 10 A g^(-1),and an impressive cyclability with 63%capacity retention over 20 K cycles at 10 A g^(-1).An excellent electrochemical performance is obtained even at a high mass loading of 6 mg cm^(-2).Moreover,a flexible quasi-solid-state Bi I_(3)-Zn battery exhibits satisfactory battery *** work provides a new idea for designing high-performance aqueous battery with dual mechanisms.
The *** oil processing industry generates large amounts of solid wastes,including *** shell(COS)and *** cake(COC).Distinct from generally acknowledged lignocellulosic biomass(corn stover,bamboo,birch,etc.),Camellia wa...
详细信息
The *** oil processing industry generates large amounts of solid wastes,including *** shell(COS)and *** cake(COC).Distinct from generally acknowledged lignocellulosic biomass(corn stover,bamboo,birch,etc.),Camellia wastes contain diverse bioactive substances in addition to the abundant lignocellulosic components,and thus,the biorefinery utilization of *** processing byproducts involves complicated processing *** reviewfirst summarizes various technologies for extracting and converting the main components in *** oil processing byproducts into value-added chemicals and biobased materials,as well as their potential ***,ultrasound,and Soxhlet extractions are compared for the extraction of functional bioactive components(tannin,flavonoid,saponin,etc.),while solvothermal conversion and pyrolysis are discussed for the conversion of lignocellulosic components into value-added *** application areas of these chemicals according to their properties are introduced in detail,including utilizing antioxidant and anti-in-flammatory properties of the bioactive substances for the specific application,as well as drop-in chemicals for the substitution of unrenewable fossil fuel-derived *** addition to chemical production,biochar fabricated from COS and its applications in thefields of adsorption,supercapacitor,soil remediation and wood composites are comprehensively reviewed and ***,based on the compositions and structural characteristics of *** byproducts,the development of full-component valorization strategies and the expansion of the appli-cationfields are proposed.
Lithium-selenium (Li-Se) batteries possess high volumetric capacity and have attracted considerable attention as a high energy storage system. However, the shuttling of polyselenides seriously worsens the electrochemi...
详细信息
Zinc-ion batteries(ZIBs)have been extensively investigated and discussed as promising energy storage devices in recent years owing to their low cost,high energy density,inherent safety,and low environmental ***,severa...
详细信息
Zinc-ion batteries(ZIBs)have been extensively investigated and discussed as promising energy storage devices in recent years owing to their low cost,high energy density,inherent safety,and low environmental ***,several challenges remain that need to be prioritized before realizing the wide-spread application of *** particular,the development of zinc anodes has been hindered by many challenges,such as inevitable zinc dendrites,corrosion passivation,and the hydrogen evolution reaction(HER),which have severely limited the practical application of high-performance *** review starts with a systematic discussion of the origins of zinc dendrites,corrosion passiv-ation,and the HER,as well as their effects on battery ***-quently,we discuss solutions to the above problems to protect the zinc anode,including the improvement of zinc anode materials,modification of the anode–electrolyte interface,and optimization of the *** particular,this review emphasizes design strategies to protect zinc anodes from an inte-grated perspective with broad interest rather than a view with limited *** the final section,comments and perspectives are provided for the future design of high-performance zinc anodes.
The co-solvent electrolyte strategy is an effective method of suppressing side reactions and zinc dendrite growth in aqueous zinc-ion batteries. Many studies have revealed that the generation of solid electrolyte inte...
详细信息
The electrochemical performances of LiNi0.5Mn1.5O4 (LNMO) materials are strongly correlated with the ratio of disordered to ordered phases. Nevertheless, there are few reports on the adjustment of ordered and disorder...
详细信息
暂无评论