With the in-depth application of smart campus in its first period, universities and teachers have a more urgent need to deepen the application of all-in-one card in smart campus. This paper introduces the platform upg...With the in-depth application of smart campus in its first period, universities and teachers have a more urgent need to deepen the application of all-in-one card in smart campus. This paper introduces the platform upgrade technology of all-in-one card application system, near field communication (NFC) card technology and application of mobile payment technology in smart all-in-one card, and makes solid progress in the post-renovation and construction of intelligent all-in-one cards in smart campus of colleges and universities, in order to provide sustainable guarantee and guidance for the development of colleges and universities.展开更多
2008年7月17日，企业管理软件和协同商务解决方案供应商SAP公司正式面向中国市场发布了SAP Business All-in-One快速启动版解决方案。该解决方案预先配置了基于SAP最佳业务实践和已被广泛验证的SAP Business All-in-One解决方案，能帮...2008年7月17日，企业管理软件和协同商务解决方案供应商SAP公司正式面向中国市场发布了SAP Business All-in-One快速启动版解决方案。该解决方案预先配置了基于SAP最佳业务实践和已被广泛验证的SAP Business All-in-One解决方案，能帮助来自制造业、服务业和批发行业的中型企业实现快速业务应用成果，以及降低总体拥有成本（TCO）。展开更多
Wearable electronics powered by flexible energy storage devices have captured global attention.Under low-temperature conditions,unfortunately,solidification of flexible hydrogel electrolyte and decreased pseudo-capaci...Wearable electronics powered by flexible energy storage devices have captured global attention.Under low-temperature conditions,unfortunately,solidification of flexible hydrogel electrolyte and decreased pseudo-capacity of these devices largely hamper their practical use.In this study,photothermally-active Prussian blue(PB)was introduced onto poly(3,4-ethylenedioxythiophene)/polyacrylamide(PEDOT/PAM)networks to address the challenges of electrolyte solidification and degraded pseudo-capacitance for flexible all-in-one device at low temperatures.The as-constructed PB/PEDOT/PAM hydrogel device delivers stable electrochemical performance and remarkable mechanical property with 1652%elongation.Importantly,this hydrogel device well retains its flexibility in cold environment with a freezing point below−30℃.The incorporation of PB extends the voltage range to 1.5 V as a single device,thus significantly enhancing the electrochemical performance as an all-inone integrated device.Benefitting from the outstanding photo-to-thermal conversion ability of embedded PB nanocubes,the temperature of the assembled all-in-one PB/PEDOT/PAM device increased from^(−2)0 to 17.7℃ after solar-light irradiation for only 5 min.Moreover,the degraded pseudo-capacitance was subsequently boosted to 287.1%of its original capacitance at−20℃.This study establishes a connection between flexible all-solid-state hydrogel devices and photothermally enhanced pseudocapacitors in freezing environments,thereby expanding the potential applications of multi-functional pseudo-capacitors.展开更多
文摘With the in-depth application of smart campus in its first period, universities and teachers have a more urgent need to deepen the application of all-in-one card in smart campus. This paper introduces the platform upgrade technology of all-in-one card application system, near field communication (NFC) card technology and application of mobile payment technology in smart all-in-one card, and makes solid progress in the post-renovation and construction of intelligent all-in-one cards in smart campus of colleges and universities, in order to provide sustainable guarantee and guidance for the development of colleges and universities.
文摘2008年7月17日，企业管理软件和协同商务解决方案供应商SAP公司正式面向中国市场发布了SAP Business All-in-One快速启动版解决方案。该解决方案预先配置了基于SAP最佳业务实践和已被广泛验证的SAP Business All-in-One解决方案，能帮助来自制造业、服务业和批发行业的中型企业实现快速业务应用成果，以及降低总体拥有成本（TCO）。
基金supported by the National Natural Science Foundation of China(Nos.22374015 and 22074013)the Fundamental Research Funds for the Central Universities(No.N232410019).
文摘Wearable electronics powered by flexible energy storage devices have captured global attention.Under low-temperature conditions,unfortunately,solidification of flexible hydrogel electrolyte and decreased pseudo-capacity of these devices largely hamper their practical use.In this study,photothermally-active Prussian blue(PB)was introduced onto poly(3,4-ethylenedioxythiophene)/polyacrylamide(PEDOT/PAM)networks to address the challenges of electrolyte solidification and degraded pseudo-capacitance for flexible all-in-one device at low temperatures.The as-constructed PB/PEDOT/PAM hydrogel device delivers stable electrochemical performance and remarkable mechanical property with 1652%elongation.Importantly,this hydrogel device well retains its flexibility in cold environment with a freezing point below−30℃.The incorporation of PB extends the voltage range to 1.5 V as a single device,thus significantly enhancing the electrochemical performance as an all-inone integrated device.Benefitting from the outstanding photo-to-thermal conversion ability of embedded PB nanocubes,the temperature of the assembled all-in-one PB/PEDOT/PAM device increased from^(−2)0 to 17.7℃ after solar-light irradiation for only 5 min.Moreover,the degraded pseudo-capacitance was subsequently boosted to 287.1%of its original capacitance at−20℃.This study establishes a connection between flexible all-solid-state hydrogel devices and photothermally enhanced pseudocapacitors in freezing environments,thereby expanding the potential applications of multi-functional pseudo-capacitors.
