In situ multiscale probing of the synthesis of a Ni-rich layered oxide cathode reveals reaction heterogeneity driven by competing kinetic pathways [0.03%]
原位多尺度探测富镍层状氧化物阴极的合成，揭示了由竞争动力学途径驱动的反应异质性
Hyeokjun Park,Hayoung Park,Kyung Song et al.
Hyeokjun Park et al.
Nickel-rich layered oxides are envisaged as key near-future cathode materials for high-energy lithium-ion batteries. However, their practical application has been hindered by their inferior cycle stability, which originates from chemo-mecha...
Stabilization of hexazine rings in potassium polynitride at high pressure [0.03%]
高压下钾多氮化物中六嗪环的稳定化现象
Yu Wang,Maxim Bykov,Ilya Chepkasov et al.
Yu Wang et al.
Polynitrogen molecules are attractive for high-energy-density materials due to energy stored in nitrogen-nitrogen bonds; however, it remains challenging to find energy-efficient synthetic routes and stabilization mechanisms for these compou...
Charlotte E G Hoskin,Vanessa Restrepo Schild,Javier Vinals et al.
Charlotte E G Hoskin et al.
Bioelectronic devices that are tetherless and soft are promising developments in medicine, robotics and chemical computing. Here, we describe bioinspired synthetic neurons, composed entirely of soft, flexible biomaterials, capable of rapid ...
Photogearing as a concept for translation of precise motions at the nanoscale [0.03%]
一种用于纳米尺度精确运动转化的构念——“光电齿轮”
Aaron Gerwien,Frederik Gnannt,Peter Mayer et al.
Aaron Gerwien et al.
One of the major challenges for harnessing the true potential of functional nano-machinery is integrating and transmitting motion with great precision. Molecular gearing systems enable the integration of multiple motions in a correlated fas...
Ion-pair reorganization regulates reactivity in photoredox catalysts [0.03%]
离子对的重新排列可调节光氧化还原催化剂中的反应活性
J D Earley,A Zieleniewska,H H Ripberger et al.
J D Earley et al.
Cyclometalated and polypyridyl complexes of d6 metals are promising photoredox catalysts, using light to drive reactions with high kinetic or thermodynamic barriers via the generation of reactive radical intermediates. However, while tuning...
Halogen-bond-assisted radical activation of glycosyl donors enables mild and stereoconvergent 1,2-cis-glycosylation [0.03%]
卤素键促进的自由基活化糖供体实现温和且立体汇聚的1,2-顺式糖基化反应
Chen Zhang,Hao Zuo,Ga Young Lee et al.
Chen Zhang et al.
The chemistry of carbohydrates has a history of over 100 years, but simple, stereoselective and efficient glycosylation methods remain highly needed to facilitate the studies of sugars in various disciplines. Here we report a strategy for 1...
Serial crystallography captures dynamic control of sequential electron and proton transfer events in a flavoenzyme [0.03%]
序列结晶法捕捉黄素酶中顺序电子和质子转移事件的动态调控过程
Manuel Maestre-Reyna,Cheng-Han Yang,Eriko Nango et al.
Manuel Maestre-Reyna et al.
Flavin coenzymes are universally found in biological redox reactions. DNA photolyases, with their flavin chromophore (FAD), utilize blue light for DNA repair and photoreduction. The latter process involves two single-electron transfers to F...
White phosphorus first [0.03%]
白磷首先
Hansjörg Grützmacher
Hansjörg Grützmacher
Direct conversion of white phosphorus to versatile phosphorus transfer reagents via oxidative onioation [0.03%]
通过氧化onioation直接将白磷转化为多功能的磷转移试剂
Maximilian Donath,Kai Schwedtmann,Tobias Schneider et al.
Maximilian Donath et al.
The main feedstock for the value-added phosphorus chemicals used in industry and research is white phosphorus (P4), from which the key intermediate for forming P(III) compounds is PCl3. Owing to its high reactivity, syntheses based on PCl3 ...
Making the collective knowledge of chemistry open and machine actionable [0.03%]
让化学的集体知识开放并具备机器可操作性
Kevin Maik Jablonka,Luc Patiny,Berend Smit
Kevin Maik Jablonka
Large amounts of data are generated in chemistry labs-nearly all instruments record data in a digital form, yet a considerable proportion is also captured non-digitally and reported in ways non-accessible to both humans and their computatio...