Atsuo Yamada
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View article: Causal Relationship between Potential Shift and Molecular Structure in Concentrated Electrolytes
Causal Relationship between Potential Shift and Molecular Structure in Concentrated Electrolytes Open
Understanding the origin of potential shifts in concentrated electrolytes is crucial for the design of stable and high-energy-density lithium-metal batteries. In our previous work, we identified a strong correlation between experimental el…
View article: Electrochemical Lithium Intercalation Properties of <i>ρ</i>-Ti<sub>2</sub>O(PO<sub>4</sub>)<sub>2</sub>·2H<sub>2</sub>O
Electrochemical Lithium Intercalation Properties of <i>ρ</i>-Ti<sub>2</sub>O(PO<sub>4</sub>)<sub>2</sub>·2H<sub>2</sub>O Open
Titanium compounds, especially oxides and oxyanionic salts, have received considerable attention as lithium- or sodium-based battery anode materials that offer faster and safer operations at potentials with enough margin down to those of m…
View article: Thermodynamics alternative to Debye–Hückel theory
Thermodynamics alternative to Debye–Hückel theory Open
To achieve carbon neutrality, performance of electrochemical energy storage and conversion systems must be maximized through sophisticated design concepts. In electrochemical systems, electrode potential provides a fundamental guideline fo…
View article: Sequential Structural Evolution Triggered by O─O Dimerization in Oxygen‐Redox Reactions
Sequential Structural Evolution Triggered by O─O Dimerization in Oxygen‐Redox Reactions Open
The participation of oxygen in electrochemical reactions increases the capacity of lithium‐ion battery positive electrodes beyond conventional cationic‐redox limits. However, structural degradation due to oxidized oxide ions significantly …
View article: Practical issues toward high-voltage aqueous rechargeable batteries
Practical issues toward high-voltage aqueous rechargeable batteries Open
This review critically examines high-voltage aqueous rechargeable batteries, focusing on challenges in electrolytes, interphases, electrodes, assessment techniques, and misunderstood/overlooked degradation chemistry and drawbacks.
View article: Multifunctional Cyclic Phosphoramidate Solvent for Safe Lithium-Ion Batteries
Multifunctional Cyclic Phosphoramidate Solvent for Safe Lithium-Ion Batteries Open
To enhance the overall safety of electronic devices and energy storage systems, the development of functional electrolytes that improve the thermal stability of rechargeable batteries is of utmost importance. Here, we report a novel cyclic…
View article: Proton Intercalation into an Open‐Tunnel Bronze Phase with Near‐Zero Volume Change
Proton Intercalation into an Open‐Tunnel Bronze Phase with Near‐Zero Volume Change Open
Managing safety and supply‐chain risks associated with lithium‐ion batteries (LIBs) is an urgent task for sustainable development. Aqueous proton batteries are attractive alternatives to LIBs because using water and protons addresses these…
View article: Hidden Negative Issues and Possible Solutions for Advancing the Development of High‐Energy‐Density in Lithium Batteries: A Review
Hidden Negative Issues and Possible Solutions for Advancing the Development of High‐Energy‐Density in Lithium Batteries: A Review Open
This review article discusses the hidden or often overlooked negative issues of large‐capacity cathodes, high‐voltage systems, concentrated electrolytes, and reversible lithium metal electrodes in high‐energy‐density lithium batteries and …
View article: STUDY ON THE INFLUENCE OF THE MEASUREMENT FREQUENCY OF DRY DENSITY ON EVALUATION OF THE WATER PROOF PERFORMANCE OF COMPACTED BENTONITE-MIXTURE-SOIL
STUDY ON THE INFLUENCE OF THE MEASUREMENT FREQUENCY OF DRY DENSITY ON EVALUATION OF THE WATER PROOF PERFORMANCE OF COMPACTED BENTONITE-MIXTURE-SOIL Open
ベントナイトを用いた放射性廃棄物処分施設の人工バリアの施工時の品質管理において,一般的な盛土工事等における品質管理手法を適用した場合,現場密度試験などの頻度は数百~数千m3につき1回程度となり,数が限られたデータから遮水性能を評価する必要がある.そこで本研究では,地盤統計学的手法を用いて透水係数の3次元空間分布モデルを作成する方法を適用し,土構造物の全体での遮水性能の評価を浸透流解析等で行った.既往の施工試験のデータを参照し,測定頻度の解析結果のばらつきへの影響を評価した.…
View article: Sequential structural evolution triggered by O-O dimerization in oxygen-redox reactions
Sequential structural evolution triggered by O-O dimerization in oxygen-redox reactions Open
The participation of oxygen in electrochemical reactions increases the capacity of lithium-ion battery positive electrodes beyond conventional cationic-redox limits. However, structural degradation due to oxidized oxide ions significantly …
View article: Effect of continuation and discontinuation of antithrombotic agents after lower gastrointestinal bleeding
Effect of continuation and discontinuation of antithrombotic agents after lower gastrointestinal bleeding Open
[in Japanese]
View article: Electrolyte design for lithium-ion batteries with a cobalt-free cathode and silicon oxide anode
Electrolyte design for lithium-ion batteries with a cobalt-free cathode and silicon oxide anode Open
Lithium-ion batteries (LIBs) to power electric vehicles play an increasingly important role in the transition to a carbon neutral transportation system. However, at present the chemistry of LIBs requires, among other elements, cobalt (Co),…
View article: Supplementary Tables S1- S6 from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer
Supplementary Tables S1- S6 from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer Open
Supplementary Table 1. Characteristics of gastric cancer patients. Supplementary Table 2. Gastric cancer location, TNM staging in propensity score-matched patients with aspirin. Supplementary Table 3. Associations between the duration of a…
View article: Supplementary Tables S1- S6 from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer
Supplementary Tables S1- S6 from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer Open
Supplementary Table 1. Characteristics of gastric cancer patients. Supplementary Table 2. Gastric cancer location, TNM staging in propensity score-matched patients with aspirin. Supplementary Table 3. Associations between the duration of a…
View article: Data from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer
Data from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer Open
Introduction: Although aspirin/NSAIDs may have potential preventive effects on several cancers, it remains unclear on gastric cancer. The purpose of this study is to compare the risk of developing gastric cancer and the histologic changes …
View article: Data from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer
Data from Distinct Chemopreventive Effects of Aspirin in Diffuse and Intestinal-Type Gastric Cancer Open
Introduction: Although aspirin/NSAIDs may have potential preventive effects on several cancers, it remains unclear on gastric cancer. The purpose of this study is to compare the risk of developing gastric cancer and the histologic changes …
View article: High‐rate Decoupled Water Electrolysis System Integrated with α‐MoO<sub>3</sub> as a Redox Mediator with Fast Anhydrous Proton Kinetics
High‐rate Decoupled Water Electrolysis System Integrated with α‐MoO<sub>3</sub> as a Redox Mediator with Fast Anhydrous Proton Kinetics Open
Hydrogen is a promising alternative to fossil fuels that can reduce greenhouse gas emissions. Decoupled water electrolysis system using a reversible proton storage redox mediator, where the oxygen evolution reaction and hydrogen evolution …
View article: Machine Learning-based Comprehensive Survey on Lithium-rich Cathode Materials
Machine Learning-based Comprehensive Survey on Lithium-rich Cathode Materials Open
The practical application of Li-rich cathode materials exhibiting higher energy density with oxygen redox activity requires improved cycle performance and energy efficiency. Since several conditions such as the amount of excess lithium, tr…
View article: Optimizing the energetic landscape for SiOx/LiNi0.5Mn1.5O4 battery
Optimizing the energetic landscape for SiOx/LiNi0.5Mn1.5O4 battery Open
In the world’s transition to a sustainable society, it is urgent to develop an electrochemical energy storage system that can simultaneously satisfy several social requirements, including high energy density, low cost, environmental friend…
View article: CSD 2119476: Experimental Crystal Structure Determination
CSD 2119476: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Electrode potential influences the reversibility of lithium-metal anodes
Electrode potential influences the reversibility of lithium-metal anodes Open
Lithium-metal batteries are a promising technology to address the emerging demand for high-energy-density storage systems. However, their cycling encounters a low Coulombic efficiency (CE) due to the unceasing electrolyte decomposition. Im…