The sulfide-based solid-state electrolytes(SEs)reactivity toward moisture and Li-metal are huge barriers that impede their large-scale manufactu ring and applications in all-solid-state lithium batteries(ASSLBs).Herei...The sulfide-based solid-state electrolytes(SEs)reactivity toward moisture and Li-metal are huge barriers that impede their large-scale manufactu ring and applications in all-solid-state lithium batteries(ASSLBs).Herein,we proposed an Al and O dual-doped strategy for Li_(3)PS_(4)SE to regulate the chemical/electrochemical stability of anionic PS_(4)^(3-)tetrahedra to mitigate structural hydrolysis and parasitic reactions at the SE/Li interface.The optimized Li_(3.08)A_(10.04)P_(0.96)S_(3.92)O_(0.08)SE presents the highestσLi+of 3.27 mS cm^(-1),which is~6.8 times higher than the pristine Li_(3)PS_(4)and excellently inhibits the structural hydrolysis for~25 min@25%humidity at RT.DFT calculations confirmed that the enhanced chemical stability was revealed to the intrinsically stable entities,e.g.,POS33-units.Moreover,Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)SE cycled stably in Li//Li symmetric cell over 1000 h@0.1 mA cm^(-2)/0.1 mA h cm^(-2),could be revealed to Li-Al alloy and Li_(2)Oat SE/Li interface impeding the growth of Li-dendrites during cycling.Resultantly,LNO@LCO/Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)/Li-In cell delivered initial discharge capacities of 129.8 mA h g^(-1)and 83.74%capacity retention over 300 cycles@0.2 C at RT.Moreover,the Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)SE presented>90%capacity retention over 200 and 300 cycles when the cell was tested with LiNi_(0.8)Co_(0.15)Al_(0.05)O_(2)(NCA)cathode material vs.5 and 10 mg cm^(-2)@RT.展开更多
A 32 kbit OTP(one-time programmable)memory for MCUs(micro-controller units)used in remote controllers was designed.This OTP memory is used for program and data storage.It is required to apply 5.5V to BL(bit-line)and 1...A 32 kbit OTP(one-time programmable)memory for MCUs(micro-controller units)used in remote controllers was designed.This OTP memory is used for program and data storage.It is required to apply 5.5V to BL(bit-line)and 11V to WL(word-line)for a OTP cell of 0.35μm ETOX(EEPROM tunnel oxide)type by MagnaChip.We use 5V transistors on column data paths to reduce the area of column data paths since they require small areas.In addition,we secure device reliability by using HV(high-voltage)transistors in the WL driver.Furthermore,we change from a static logic to a dynamic logic used for the WL driver in the core circuit.Also,we optimize the WD(write data)switch circuit.Thus,we can implement them with a small-area design.In addition,we implement the address predecoder with a small-area logic circuit.The area of the designed 32 kbit OTP with 5V and HV devices is 674.725μm×258.75μm(=0.1745mm2)and is 56.3% smaller than that using 3.3V devices.展开更多
1.楼下那个人睡不着觉。[误]The downstairs man couldn’t go to sleep.[正]The man downstairs couldn’t go to sleep.[析]以today,here,there,downstairs,upstairs, below,above等作定语修饰名词时常放在名词之后。2我正想出去,铃...1.楼下那个人睡不着觉。[误]The downstairs man couldn’t go to sleep.[正]The man downstairs couldn’t go to sleep.[析]以today,here,there,downstairs,upstairs, below,above等作定语修饰名词时常放在名词之后。2我正想出去,铃响了。[误]I just went out when the bell rang.[正]I was just going out when the bell rang.[析]由when连接的两个分句,其中—个谓语动词是延续性,另一个谓语是终止性动词时,此处的when是并列连词,意为“这时 (突然)”,所以要将went out改为was going out.展开更多
I.单项选择:从A、B、C、D四个选项中,选出可以填入空白处的正确答案。1.Are you__ the 100-metre race today? A.on B.to C.for D.in2.I’m afraid you didn’t do your homework__ A.careful enough B.carefully enough C.enough caref...I.单项选择:从A、B、C、D四个选项中,选出可以填入空白处的正确答案。1.Are you__ the 100-metre race today? A.on B.to C.for D.in2.I’m afraid you didn’t do your homework__ A.careful enough B.carefully enough C.enough careful D.enough carefully3.They__a class meeting last Friday. A.hold B.held C.take D.took4.__Jack came a moment__ . -Why did he come__? A.late;later B.late;late C.later;late D.later;展开更多
1.你必须尽快把书还到图书馆。[误]You must return the book to the library as quickly as possible.[正]You must return the book to the library as soon as possible.[析]as quickly as possible与as soon as possible都可表“尽...1.你必须尽快把书还到图书馆。[误]You must return the book to the library as quickly as possible.[正]You must return the book to the library as soon as possible.[析]as quickly as possible与as soon as possible都可表“尽快”地,但前者是指做事的速度快,可以用as fast as possible来替换;而后者则指做事的时间尽可能早。展开更多
1.你明天能来吗?【误】Do you able to come tomorrow?【正】Are you able to come tomorrow?【析】able是个形容词,常放在be之后,构成beable to do sth.,表示“能做某事”;其疑问形式不需要用助动词do,而应将be提到主语之前。
Ⅰ.词汇。A)根据句意和首字母或汉语提示,拼写单词。1.If I have a good pen,I’ll be a ——towrite flaster.2.He is an i——.He has invented manythings.Ⅰ3.Christmas Day is the b——of Jesus Christ.
基金supported by the National Natural Science Foundation of China(Nos.21203008,21975025,12274025)the Hainan Province Science and Technology Special Fund(Nos.ZDYF2021SHFZ232,ZDYF2023GXJS022)the Hainan Province Postdoctoral Science Foundation(No.300333)。
文摘The sulfide-based solid-state electrolytes(SEs)reactivity toward moisture and Li-metal are huge barriers that impede their large-scale manufactu ring and applications in all-solid-state lithium batteries(ASSLBs).Herein,we proposed an Al and O dual-doped strategy for Li_(3)PS_(4)SE to regulate the chemical/electrochemical stability of anionic PS_(4)^(3-)tetrahedra to mitigate structural hydrolysis and parasitic reactions at the SE/Li interface.The optimized Li_(3.08)A_(10.04)P_(0.96)S_(3.92)O_(0.08)SE presents the highestσLi+of 3.27 mS cm^(-1),which is~6.8 times higher than the pristine Li_(3)PS_(4)and excellently inhibits the structural hydrolysis for~25 min@25%humidity at RT.DFT calculations confirmed that the enhanced chemical stability was revealed to the intrinsically stable entities,e.g.,POS33-units.Moreover,Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)SE cycled stably in Li//Li symmetric cell over 1000 h@0.1 mA cm^(-2)/0.1 mA h cm^(-2),could be revealed to Li-Al alloy and Li_(2)Oat SE/Li interface impeding the growth of Li-dendrites during cycling.Resultantly,LNO@LCO/Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)/Li-In cell delivered initial discharge capacities of 129.8 mA h g^(-1)and 83.74%capacity retention over 300 cycles@0.2 C at RT.Moreover,the Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)SE presented>90%capacity retention over 200 and 300 cycles when the cell was tested with LiNi_(0.8)Co_(0.15)Al_(0.05)O_(2)(NCA)cathode material vs.5 and 10 mg cm^(-2)@RT.
基金Project supported by the Second Stage of Brain Korea 21 Projects,Korea
文摘A 32 kbit OTP(one-time programmable)memory for MCUs(micro-controller units)used in remote controllers was designed.This OTP memory is used for program and data storage.It is required to apply 5.5V to BL(bit-line)and 11V to WL(word-line)for a OTP cell of 0.35μm ETOX(EEPROM tunnel oxide)type by MagnaChip.We use 5V transistors on column data paths to reduce the area of column data paths since they require small areas.In addition,we secure device reliability by using HV(high-voltage)transistors in the WL driver.Furthermore,we change from a static logic to a dynamic logic used for the WL driver in the core circuit.Also,we optimize the WD(write data)switch circuit.Thus,we can implement them with a small-area design.In addition,we implement the address predecoder with a small-area logic circuit.The area of the designed 32 kbit OTP with 5V and HV devices is 674.725μm×258.75μm(=0.1745mm2)and is 56.3% smaller than that using 3.3V devices.
文摘1.楼下那个人睡不着觉。[误]The downstairs man couldn’t go to sleep.[正]The man downstairs couldn’t go to sleep.[析]以today,here,there,downstairs,upstairs, below,above等作定语修饰名词时常放在名词之后。2我正想出去,铃响了。[误]I just went out when the bell rang.[正]I was just going out when the bell rang.[析]由when连接的两个分句,其中—个谓语动词是延续性,另一个谓语是终止性动词时,此处的when是并列连词,意为“这时 (突然)”,所以要将went out改为was going out.
文摘I.单项选择:从A、B、C、D四个选项中,选出可以填入空白处的正确答案。1.Are you__ the 100-metre race today? A.on B.to C.for D.in2.I’m afraid you didn’t do your homework__ A.careful enough B.carefully enough C.enough careful D.enough carefully3.They__a class meeting last Friday. A.hold B.held C.take D.took4.__Jack came a moment__ . -Why did he come__? A.late;later B.late;late C.later;late D.later;
文摘1.你必须尽快把书还到图书馆。[误]You must return the book to the library as quickly as possible.[正]You must return the book to the library as soon as possible.[析]as quickly as possible与as soon as possible都可表“尽快”地,但前者是指做事的速度快,可以用as fast as possible来替换;而后者则指做事的时间尽可能早。
文摘1.你明天能来吗?【误】Do you able to come tomorrow?【正】Are you able to come tomorrow?【析】able是个形容词,常放在be之后,构成beable to do sth.,表示“能做某事”;其疑问形式不需要用助动词do,而应将be提到主语之前。
文摘Ⅰ.词汇。A)根据句意和首字母或汉语提示,拼写单词。1.If I have a good pen,I’ll be a ——towrite flaster.2.He is an i——.He has invented manythings.Ⅰ3.Christmas Day is the b——of Jesus Christ.
