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技术前沿 | 第八期南昌大学重庆研究院创新中心科技成果展

  • 2026-05-09 09:17:29
技术前沿 | 第八期南昌大学重庆研究院创新中心科技成果展

南昌大学重庆研究院创新中心第八期科技成果展来啦~

本次向大家介绍先进材料领域高性能全固态绿色动力电池、面向5G/6G通信感知的太赫兹光子互联芯片技术一起来看~

先进材料领域

团队负责人

罗广圣

  1. 高性能全固态绿色动力电池

01

高性能全固态绿色动力电池

成果简介:

目前市场上锂电行业主流产品仍存在六大痛点问题:1.安全性差;2.能量密度低;3.使用寿命短;4.低温性能差;5.充电时间长;6.回收利用率低。研发高安全长寿命全固态锂电池已成为锂电池发展的必然趋势。

为了解决现有市场锂电行业主流产品的六大痛难点问题,突破国内外锂电技术瓶颈,我们提出以硼酸盐、卤化钠、钽氧化物等制备了固态电解质。通过引入钽氧化物,将Ta5+掺杂到石榴石型电解质中,稳定其立方相,能量密度可达到300~450Wh/kg。解决了现有固态电解质锂离子电导率低、循环稳定性差,液态电解质易漏液、短路等安全风险。我们利用半导体材料技术研发的电解质,直接达到了准固态。对比其它技术提升路线,我们技术具有特别显著的优势,是具有革新意义的颠覆性技术路线。

应用场景:该产品是全球领先的技术成熟、可量产、可商业化运营的高能固态锂电池,其大规模应用将极大促进新能源汽车的发展,并将进一步拓展在军工、储能和消费行业的应用。

创新点:该锂离子电导率较高,电化学性能稳定,更易加工。

先进材料领域

团队负责人

沈云

  1. 面向5G/6G通信感知的太赫兹光子互联芯片

01

面向5G/6G通信感知的

太赫兹光子互联芯片

成果简介:

电磁波的频率决定了通信速度上限,频率越高、手机通信速度就越快。太赫兹技术的潜在应用领域,包括大数据中心、物联网设备、大型多核计算芯片、远程通信、大气与环境监测、实时生物信息提取与医学诊断等领域。然而,在制备太赫兹芯片时,将大量光学器件高度集成到芯片上是一项极具挑战性的任务。因此,提高器件的稳健性对于降低芯片的制造成本和提高整体可靠性至关重要。结合太赫兹应用需求,我们研发了面向5G/6G通信感知的太赫兹光子互联芯片,并取得了关键突破。具体包括,提出了一种支持谷拓扑输运的Kagome晶格光子结构,实际制备了10mm,14mm直波导及Z波导芯片,基于太赫兹时域光谱系统(THz-TDS),对传输性能进行了测量。测量结果与理论预测结果一致,在0.437-0.453THz范围,直波导和Z波导具有相同的传输鲁棒性,表明拓扑边界态的单向传输“光学超导”性能。进一步提出了超表面片上集成太赫兹互联芯片。设计了二维光子超表面拓扑光子结构,得到具有拓扑平凡和非平凡结构,以此构建了传输波导,验证了其不受缺陷、杂质和各种干扰影响的鲁棒传输性质。

应用场景:面向5G/6G通信及其与之相关的大数据中心、物联网设备、大型多核计算芯片、远程通信、大气与环境监测、实时生物信息提取与医学诊断、AR/VR、智能驾驶等系统中器件内信号传输及器件间的信号互联。

创新点:基于光子拓扑绝缘体非平庸拓扑特性所形成的光在发生拓扑相变的界面上稳定的单向传输性,解决了通信波导中缺陷、杂质和各种干扰影响传输质量及通信速率的问题;并基于超表面结构,进一步研发了片上集成太赫兹互联芯片。

联系我们

联系人:南昌大学重庆研究院创新中心主任陈玲

联系电话:18875022248(同微信)

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  1. CONNECT:[ UseTime:0.000528s ] mysql:host=127.0.0.1;port=3306;dbname=aa460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000886s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000681s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001585s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000549s ]
  6. SELECT * FROM `set` [ RunTime:0.002737s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000680s ]
  8. SELECT * FROM `article` WHERE `id` = 504018 LIMIT 1 [ RunTime:0.007089s ]
  9. UPDATE `article` SET `lasttime` = 1778517110 WHERE `id` = 504018 [ RunTime:0.001300s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.002193s ]
  11. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.006327s ]
  12. SELECT * FROM `article` WHERE `id` > 504018 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002179s ]
  13. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.013422s ]
  14. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.042946s ]
  15. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.043766s ]
0.211808s