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Journal of the Ceramic Society of Japan最新文献

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Additive manufacturing using highly concentrated nanocolloids of metal hydroxide salts towards structured metals and metal oxides 增材制造使用高度浓缩的纳米胶体金属氢氧化物盐对结构金属和金属氧化物
4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-10-01 DOI: 10.2109/jcersj2.23119
Naoki Tarutani, Miki Asanome, Kenji Okada, Masahide Takahashi, Takuo Minato, Masahiro Sadakane, Kiyofumi Katagiri, Kei Inumaru
{"title":"Additive manufacturing using highly concentrated nanocolloids of metal hydroxide salts towards structured metals and metal oxides","authors":"Naoki Tarutani, Miki Asanome, Kenji Okada, Masahide Takahashi, Takuo Minato, Masahiro Sadakane, Kiyofumi Katagiri, Kei Inumaru","doi":"10.2109/jcersj2.23119","DOIUrl":"https://doi.org/10.2109/jcersj2.23119","url":null,"abstract":"Additive manufacturing by vat-photopolymerization is important technique to prepare designed objects because of its features of availability, low cost, low energy consumption, and high-speed printing. One of the major challenges of this technique is how to expand the chemical composition towards metals and ceramics in addition to organic compounds. In this paper, we report synthesis of highly concentrated nanocolloids of nickel hydroxide acrylate and use them for vat-photopolymerization. Epoxide-mediated basification induced formation of dispersed nickel hydroxide acrylate monolayer/bilayer nanoparticles (diameter of 2.31 nm). The concentration of nanocolloid was prepared as 2.5 mol L−1 (Ni basis), which corresponds to 43 wt % and 30 vol %. The concentrated nanocolloids enabled to produce objects through vat-photopolymerization by using commercially available 3D printers. Addition of small quantity of organic cross-linker efficiently interconnect nanoparticles to form bulky objects. Owing to the organic moiety of nickel hydroxide salt nanoparticles, metal/carbon composites formed by heat-treatment without any reduction gas supply. Further heat-treatment led metal oxide bulky object with macroporous structure.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Grain boundary modification of Li<sub>3</sub>PO<sub>4</sub> and Li<sub>3</sub>BO<sub>3</sub> in garnet-type solid electrolyte for suppressing Li dendrite growth Li&lt;sub&gt;3&lt;/sub&gt;PO&lt;sub&gt;4&lt;/sub&gt;和Li&lt; sub&gt; 3 & lt; / sub&gt; BO&lt; sub&gt; 3 & lt; / sub&gt;在石榴石型固体电解质中抑制锂枝晶生长
4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-10-01 DOI: 10.2109/jcersj2.23069
Daisuke Mori, Miho Sato, Sou Taminato, Nobuyuki Imanishi, Kota Suzuki, Masaaki Hirayama
{"title":"Grain boundary modification of Li&lt;sub&gt;3&lt;/sub&gt;PO&lt;sub&gt;4&lt;/sub&gt; and Li&lt;sub&gt;3&lt;/sub&gt;BO&lt;sub&gt;3&lt;/sub&gt; in garnet-type solid electrolyte for suppressing Li dendrite growth","authors":"Daisuke Mori, Miho Sato, Sou Taminato, Nobuyuki Imanishi, Kota Suzuki, Masaaki Hirayama","doi":"10.2109/jcersj2.23069","DOIUrl":"https://doi.org/10.2109/jcersj2.23069","url":null,"abstract":"Li ionic conductors that are stable to lithium metal with high ionic conductivity are required as solid electrolytes for all-solid-state lithium metal batteries with high energy density. Lithium dendrite growth leading to short-circuit is one of the major issues to solve for developing practical batteries using lithium metal electrodes. We have introduced Li3PO4 (LPO) and Li3BO3 (LBO) as a grain boundary phase in the garnet-type lithium ionic conductor, Li6.25Ga0.25La3Zr2O12 (LGLZ), by co-sintering. The lattice parameters, sinterability, elemental distribution, particle morphology, and electrochemical properties have been investigated. The sinterability has decreased with the introduction of LPO and LBO, while no significant change in the ionic conductivity is observed. The LGLZ with LPO was unstable to Li metal and did not exhibit the improvement of Li plating/stripping. Meanwhile, the LBO introduction into the grain boundary as a functional core increased the critical current density of the short circuit. Li dendrite growth could be suppressed by modifying the grain boundaries of the sintered body.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of high-performance La<sub>0.6</sub>Sr<sub>0.4</sub>CoO<sub>3−δ</sub> nano-powder prepared via an acetic–acrylic method 高性能La&lt;sub&gt;0.6&lt;/sub&gt;Sr&lt;sub&gt;0.4&lt;/sub&gt;CoO&lt;sub&gt;3 - δ&lt;/sub&gt;醋酸-丙烯酸法制备纳米粉体
4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-10-01 DOI: 10.2109/jcersj2.23071
Hua Hu, Zhijun Liu, Zhangfa Huang, Baohua Cao, Ming Chen, Qin Wang, Wanbing Guan, Jun Yang, Jianxin Wang, Yu Su
{"title":"Synthesis of high-performance La&lt;sub&gt;0.6&lt;/sub&gt;Sr&lt;sub&gt;0.4&lt;/sub&gt;CoO&lt;sub&gt;3−δ&lt;/sub&gt; nano-powder prepared via an acetic–acrylic method","authors":"Hua Hu, Zhijun Liu, Zhangfa Huang, Baohua Cao, Ming Chen, Qin Wang, Wanbing Guan, Jun Yang, Jianxin Wang, Yu Su","doi":"10.2109/jcersj2.23071","DOIUrl":"https://doi.org/10.2109/jcersj2.23071","url":null,"abstract":"A novel acetic-acrylic (AA) approach was developed to obtain La0.6Sr0.4CoO3−δ (LSC) using lanthanum oxide, acetate, and acrylic acid as the starting materials. We synthesized several LSC products with varying acrylic acid (L) and metal salt (M) molar ratios (L/M). The precursors and the final products were thoroughly characterized. When the L/M molar ratio is 0.9, the high-purity nano LSC powders were obtained by heating at 900 °C. The conductivity of LSC bulk sample was equal to 2534 and 2430 S cm−1 at 650 and 700 °C, respectively. This sintered LSC was used in a cathode with polarisation resistances (Rp) of 0.190 and 0.084 Ω·cm2 at 650 and 700 °C, respectively. It was observed that at 700 and 650 °C, the power density of an anode with a structure that might be defined as Ni-3YSZ/8YSZ/GDC/LSC-0.9 was 947 and 585 mW cm−2, respectively. Our results revealed that the high-performance LSC powders could be synthesized by the acetic-acrylic synthesis method, applicable to a large scale.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Near-full compaction within only 30 min of total sintering time by shrinkage-rate-controlled flash sintering in 3 mol % Y<sub>2</sub>O<sub>3</sub>-doped ZrO<sub>2</sub> polycrystal 在3mol % Y&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;掺杂ZrO&lt;sub&gt;2&lt;/sub&gt;多晶体
4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-10-01 DOI: 10.2109/jcersj2.23041
Yuki Ishino, Masao Koike, Ayu Kodaira, Tomoharu Tokunaga, Takahisa Yamamoto
{"title":"Near-full compaction within only 30 min of total sintering time by shrinkage-rate-controlled flash sintering in 3 mol % Y&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;-doped ZrO&lt;sub&gt;2&lt;/sub&gt; polycrystal","authors":"Yuki Ishino, Masao Koike, Ayu Kodaira, Tomoharu Tokunaga, Takahisa Yamamoto","doi":"10.2109/jcersj2.23041","DOIUrl":"https://doi.org/10.2109/jcersj2.23041","url":null,"abstract":"The development of a high-speed sintering method that can shorten the entire sintering time while guaranteeing the mechanical properties is very attractive as a sintering process for structural ceramic polycrystals. For this purpose, a sintering protocol that combines shrinkage-rate-controlled flash sintering, which controls the shrinkage rate to be constant with the use of an alternative current electric field, and a rapid furnace ramp were applied to 3-mol % Y2O3-doped ZrO2 (3YSZ). As a result, a 3YSZ sintered polycrystal with about the relative density of 99.5 % (6.06 g/cm3) could be successfully fabricated within 30 min as the entire sintering time, which includes the furnace-heating regime. The sintered 3YSZ polycrystal is confirmed to exhibit a Vickers hardness of approximately 1290 HV and a fracture toughness (KIC) of approximately 5.2 MPa m1/2, which are similar values to those obtained from a typical thermally sintered 3YSZ polycrystal.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"169 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dielectric properties of PNb9O25–GeNb18O47 ceramics PNb9O25-GeNb18O47陶瓷的介电性能
IF 1.1 4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-09-01 DOI: 10.2109/jcersj2.22158
Keisuke Shimamura, J. Fu
{"title":"Dielectric properties of PNb9O25–GeNb18O47 ceramics","authors":"Keisuke Shimamura, J. Fu","doi":"10.2109/jcersj2.22158","DOIUrl":"https://doi.org/10.2109/jcersj2.22158","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"28 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80856284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of BaCl2 flux on low temperature synthesis of Ba3Si6O12N2:Eu phosphors from BaCN2 and SiO2 BaCl2通量对BaCN2和SiO2低温合成Ba3Si6O12N2:Eu荧光粉的影响
IF 1.1 4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-09-01 DOI: 10.2109/jcersj2.23094
H. Shibuya, Y. Masubuchi, M. Higuchi
{"title":"Effect of BaCl2 flux on low temperature synthesis of Ba3Si6O12N2:Eu phosphors from BaCN2 and SiO2","authors":"H. Shibuya, Y. Masubuchi, M. Higuchi","doi":"10.2109/jcersj2.23094","DOIUrl":"https://doi.org/10.2109/jcersj2.23094","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"127 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85727987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing fluorescent nanocomposites: Strategies for interaction and interface modification of carbon dots with metal oxides 增强荧光纳米复合材料:碳点与金属氧化物的相互作用和界面修饰策略
IF 1.1 4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-09-01 DOI: 10.2109/jcersj2.23088
Kazumasa Suzuki
{"title":"Enhancing fluorescent nanocomposites: Strategies for interaction and interface modification of carbon dots with metal oxides","authors":"Kazumasa Suzuki","doi":"10.2109/jcersj2.23088","DOIUrl":"https://doi.org/10.2109/jcersj2.23088","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"24 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84702101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radiation-induced synthesis of carbon-supported niobium oxide nanoparticle catalysts and investigation of heat treatment conditions to improve the oxygen reduction reaction activity 辐射诱导合成碳负载氧化铌纳米颗粒催化剂并研究热处理条件以提高氧还原反应活性
IF 1.1 4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-09-01 DOI: 10.2109/jcersj2.23039
Naoki Shinyoshi, S. Seino, Y. Uetake, T. Nagai, R. Monden, A. Ishihara, T. Nakagawa
{"title":"Radiation-induced synthesis of carbon-supported niobium oxide nanoparticle catalysts and investigation of heat treatment conditions to improve the oxygen reduction reaction activity","authors":"Naoki Shinyoshi, S. Seino, Y. Uetake, T. Nagai, R. Monden, A. Ishihara, T. Nakagawa","doi":"10.2109/jcersj2.23039","DOIUrl":"https://doi.org/10.2109/jcersj2.23039","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"61 2 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76648023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formation of carbon interphase on low electric conductive SiC fibers for SiCf/SiC composites by electrophoretic deposition process and their mechanical properties 电泳沉积法制备低导电性SiC纤维碳界面相及其力学性能
IF 1.1 4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-09-01 DOI: 10.2109/jcersj2.23075
Katsumi Yoshida, T. Ajito, A. Gubarevich, M. Kotani
{"title":"Formation of carbon interphase on low electric conductive SiC fibers for SiCf/SiC composites by electrophoretic deposition process and their mechanical properties","authors":"Katsumi Yoshida, T. Ajito, A. Gubarevich, M. Kotani","doi":"10.2109/jcersj2.23075","DOIUrl":"https://doi.org/10.2109/jcersj2.23075","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88758523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and electrical conductivity of Sn1−x(Ni2/3Ta1/3)xP2O7 electrolytes for low-temperature solid oxide fuel cells 低温固体氧化物燃料电池用Sn1−x(Ni2/3Ta1/3)xP2O7电解质的合成及电导率
IF 1.1 4区 材料科学
Journal of the Ceramic Society of Japan Pub Date : 2023-09-01 DOI: 10.2109/jcersj2.23116
Susumu Takahashi, H. Ogawa, I. Kagomiya, Tohru Moriyama, Kohei Nishimoto, K. Uchiyama
{"title":"Synthesis and electrical conductivity of Sn1−x(Ni2/3Ta1/3)xP2O7 electrolytes for low-temperature solid oxide fuel cells","authors":"Susumu Takahashi, H. Ogawa, I. Kagomiya, Tohru Moriyama, Kohei Nishimoto, K. Uchiyama","doi":"10.2109/jcersj2.23116","DOIUrl":"https://doi.org/10.2109/jcersj2.23116","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75593881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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