Nanoarchitectonics for advanced applications in energy, environment and biology: Method for everything in materials science

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 738–740, doi:10.3762/bjnano.14.60

• also discuss coordination-assembled myricetin nanoarchitectonics [32], nanoarchitectonics for membranes with enhanced gas separation capabilities [33], nanoarchitectonics of the cathode of Li–O2 batteries [34], nanoarchitectonics in moist-electric generation [35], nanoarchitectonics for drug delivery

Nanoarchitectonics of the cathode to improve the reversibility of Li–O₂ batteries

• Hien Thi Thu Pham,
• Jonghyeok Yun,
• So Yeun Kim,
• Sang A Han,
• Jung Ho Kim,
• Jong-Won Lee and
• Min-Sik Park

Beilstein J. Nanotechnol. 2022, 13, 689–698, doi:10.3762/bjnano.13.61

• for lowering the overpotential of the cathode during cycling, even at the high current density of 2,000 mA·g−1. Keywords: cathode composition; electrochemistry; Li–O2 battery; metal–organic framework; nanoarchitectonics; zeolitic imidazolate framework; Introduction Recently, lithium–oxygen batteries

Self-standing heterostructured NiC_x-NiFe-NC/biochar as a highly efficient cathode for lithium–oxygen batteries

• Shengyu Jing,
• Xu Gong,
• Shan Ji,
• Linhui Jia,
• Bruno G. Pollet,
• Sheng Yan and
• Huagen Liang

Beilstein J. Nanotechnol. 2020, 11, 1809–1821, doi:10.3762/bjnano.11.163

• -doped carbons (N-C) have been successfully developed as catalysts for Li–O2 batteries. These catalysts show enhanced electrocatalytic activity with good stability [33][34][35]. Among these MC@N-C materials, FeC@N-C catalysts exhibited the best catalytic activity towards ORR and OER. Therefore, to

• series of 3D self-standing electrodes [40][41][42][43] by depositing MOFs on biomass followed by either a carbonization or a phosphating step. These electrodes can be directly used as cathodes in Li–O2 batteries. In this work, the NiFe-PBA/pomelo peel (PP) precursors were prepared in a similar way as in

• biochar was synthesized for the use in Li–O2 batteries. The electrocatalytic properties of the obtained electrodes were evaluated in a Li–O2 battery and these electrodes showed superior catalytic performance in Li–O2 batteries. Experimental Preparation of NiFe-PBA/PP-T NiFe-PBA/PP precursors were prepared

In situ AFM visualization of Li–O₂ battery discharge products during redox cycling in an atmospherically controlled sample cell

• Kumar Virwani,
• Younes Ansari,
• Khanh Nguyen,
• Francisco José Alía Moreno-Ortiz,
• Jangwoo Kim,
• Maxwell J. Giammona,
• Ho-Cheol Kim and
• Young-Hye La

Beilstein J. Nanotechnol. 2019, 10, 930–940, doi:10.3762/bjnano.10.94

• conditions. Keywords: AFM; battery; EIS; in situ; Li–O2; Introduction Italian anatomist Luigi Galvani [1] is credited with the birth of electrochemistry in the year 1791. Electrochemistry is the study of chemical processes that cause electrons to move from one element to another causing oxidation (loss of

• and O2 reactions have been the subject of intense experimental and theoretical investigations [8][9][10][11][12][13][14][15][16][17]. Of particular relevance are investigations that shed light on the morphological changes that occur on the electrodes during the Li/O2 electrochemical reactions. Jung et

• al. [18] used transmission electron microscopy to investigate electrochemical processes of Li/O2 cells. In situ observations using electron beams tend to have limited time for observation as the electron beam reacts with the Li and the Li/O2 discharge products. Lu et al. [19] used ambient pressure X

From lithium to sodium: cell chemistry of room temperature sodium–air and sodium–sulfur batteries

• Philipp Adelhelm,
• Pascal Hartmann,
• Conrad L. Bender,
• Martin Busche,
• Christine Eufinger and
• Juergen Janek

Beilstein J. Nanotechnol. 2015, 6, 1016–1055, doi:10.3762/bjnano.6.105

• , Germany 10.3762/bjnano.6.105 Abstract Research devoted to room temperature lithium–sulfur (Li/S8) and lithium–oxygen (Li/O2) batteries has significantly increased over the past ten years. The race to develop such cell systems is mainly motivated by the very high theoretical energy density and the

• these differences will benefit a more reversible cell chemistry is still an open question, but some of the first reports on room temperature Na/S8 and Na/O2 cells already show some exciting differences as compared to the established Li/S8 and Li/O2 systems. Keywords: energy storage; lithium–oxygen

• cells ideally operate with metallic lithium as the negative electrode. No heavy transition metals participate in the cell reaction and theoretical energy densities of 2613 Wh/kg for the Li/S8 and 3458 Wh/kg for the Li/O2 cell can be calculated. Perhaps the most important conceptual differences between

Filling of carbon nanotubes and nanofibres

• Reece D. Gately and
• Marc in het Panhuis

Beilstein J. Nanotechnol. 2015, 6, 508–516, doi:10.3762/bjnano.6.53

• technique could be used to control the nickel/iron ratio and the amount of filling. Electrochemical methods have also been used to fill TCNSs with water [74] and can take advantage of the presence of oxygen within TCNSs applied as an electrode for Li–O2 rechargeable batteries [75]. Filling through

Lithium peroxide crystal clusters as a natural growth feature of discharge products in Li–O₂ cells

• Tatiana K. Zakharchenko,
• Anna Y. Kozmenkova,
• Daniil M. Itkis and
• Eugene A. Goodilin

Beilstein J. Nanotechnol. 2013, 4, 758–762, doi:10.3762/bjnano.4.86

• often observed and still unexplained phenomenon of the growth of lithium peroxide crystal clusters during the discharge of Li–O2 cells is likely to happen because of self-assembling Li2O2 platelets that nucleate homogeneously right after the intermediate formation of superoxide ions by a single-electron

• oxygen reduction reaction (ORR). This feature limits the rechargeability of Li–O2 cells, but at the same time it can be beneficial for both capacity improvement and gain in recharge rate if a proper liquid phase mediator can be found. Keywords: lithium–air batteries; lithium peroxide; oxygen reduction

• evidently that the morphology of lithium peroxide precipitated after the chemical reaction of KO2 with Li+ ions is quite similar to that of lithium peroxide produced in Li–O2 cells (Figure 2). In the former case the precipitate, which was found to contain Li2O2 and residual KO2 (Figure 3b), exhibited

Electrochemical and electron microscopic characterization of Super-P based cathodes for Li–O₂ batteries

• Mario Marinaro,
• Santhana K. Eswara Moorthy,
• Jörg Bernhard,
• Ludwig Jörissen,
• Margret Wohlfahrt-Mehrens and
• Ute Kaiser

Beilstein J. Nanotechnol. 2013, 4, 665–670, doi:10.3762/bjnano.4.74

• Ulm, Germany 10.3762/bjnano.4.74 Abstract Aprotic rechargeable Li–O2 batteries are currently receiving considerable interest because they can possibly offer significantly higher energy densities than conventional Li-ion batteries. The electrochemical behavior of Li–O2 batteries containing bis

• side during the operation of Li–O2 cells. Keywords: aprotic electrolyte; impedance spectroscopy; Li–O2 batteries; scanning electron microscopy; Introduction The development of new types of electrochemical power sources is nowadays considered a key factor for further development of hybrid and fully

• electric vehicles. Indeed one of the major concerns for the practical use of fully electric vehicles is the limited mileage of such vehicles. Aprotic rechargeable Li–O2 batteries may overcome this limitation since they can provide a much higher energy density than common Li-ion batteries. However, research