Ezinsukwini ezimbalwa ezedlule, i-Peking University ithuthukise idivayisi yokuphrinta ye-3D enamalungelo azimele empahla yobuhlakani, futhi yasebenzisa idivayisi ukuze ilungiselele ngempumelelo ifilimu ye-PVDF-TrFE ye-multilayer. I-coefficient kanye nokuminyana kwamandla kuye kwathuthukiswa kakhulu. Imiphumela ehlobene ishicilelwe ku-inthanethi ku-"Energy and Environmental Science".

Ukuthola amandla ezinsizeni zemvelo ezifana nokuqina kwemishini, ukunyakaza, ukukhanya, ukushisa, nezizibuthe sekuphenduke isizinda socwaningo emikhakheni yokugqokekayo, ugesi ozinikeza amandla, kanye namanethiwekhi ezinzwa ezingenantambo (WSNs) ye-inthanethi Yezinto. Amandla avuna ubunzima bemishini kanye nokunyakaza. Izindlela zendabuko zihlanganisa i-piezoelectric, i-electrostatic kanye ne-electromagnetic. Kodwa-ke, njengethuluzi elijwayelekile elizilawulayo, elizizwelayo eligqokekayo, isivuni samandla e-piezoelectric sibonisa izinzuzo zesakhiwo esilula, i-miniaturization, kanye nokuminyana kwamandla okuphezulu. Uma kuqhathaniswa ne-ceramics yendabuko ye-inorganic kanye nezinto ze-crystal eyodwa, i-PVDF kanye nama-copolymers ayo afaneleka kakhulu kuma-electronics agqokekayo kanye nokukhiqiza amandla okuhamba ngezinyawo ngenxa yokuguquguquka kwayo, ukwakheka okuguquguqukayo, i-impedance encane ye-acoustic, imvamisa yokuphendula okubanzi nokuzinza kwamakhemikhali aphezulu. Nezinye izinhlelo zokusebenza. Kodwa-ke, uma kuqhathaniswa ne-inorganic piezoelectric ceramics noma ikristalu eyodwa ye-piezoelectric, ngenxa ye-coefficient yayo encane ye-piezoelectric kanye nokungaguquki kwe-dielectric, ukuminyana kwamandla akhiqizwayo bekulokhu kuphansi.

Muva nje, iqembu locwaningo likaProfessor Dong Shuxiang ovela eSikoleni Sobunjiniyela sasePeking University lenze idivayisi yokunyathelisa ye-3D enamalungelo empahla yengqondo ezimele ngaphansi koxhaso olukhethekile lwe-Beijing Municipal Science and Technology Project, futhi lathola ukugunyazwa kwamalungelo obunikazi okusungulwa kwamaShayina. Basebenzise imishini yabo yokuphrinta ye-3D ezakhiwe yona ukuze balungiselele ngempumelelo ifilimu ye-PVDF-TrFE ye-multilayer, futhi bakha isivuni samandla e-piezoelectric esinesakhiwo sebhola lombhoxo esinomphumela we-flex-tension. I-coefficient yayo ye-piezoelectric ebonakalayo kanye nokuminyana kwamandla kuye kwathuthukiswa kakhulu.

Imiphumela yokuhlola ibonisa ukuthi isivuni samandla ebhola lezinyawo esiphrintiwe i-3D singakwazi ukukhiqiza i-voltage ephezulu engu-88.6Vp-p kanye ne-short-circuit current engu-0.35mA ngaphansi kwengcindezi yemishini ye-3.5HZ frequency kanye ne-0.046MPa pressure. Ubukhulu bayo bamandla okukhipha amandla endaweni ngayinye buphezulu obungu-16.4mW/cm 2, okuwuhlelo lobukhulu obungaphezu kokuminyana kwamandla kwezinye izinto eziguquguqukayo zokukhiqiza amandla e-piezoelectric futhi lilingana nokuminyana kwamandla amaseli elanga. Indlela yokulungiselela ifilimu ye-piezoelectric ye-3D yokuphrinta i-XNUMXD flexible multilayer kanye nedizayini yokuvuna amandla yokugoba kwebhola kanye nendlela yokudonsa kanzima ehlongozwa iqembu locwaningo lika-Dong Shuxiang kuzoba izinto zikagesi eziguquguqukayo ezigqokekayo ezikwazi ukuzizwela futhi ezisebenza ngokwazo, amanethiwekhi wezinzwa ezingenantambo, kanye nokuzi- imigwaqo ehlakaniphile enikwe amandla esikhathini esizayo. Kwezinye izici, inamandla amakhulu okuthuthuka.

Lo mphumela wocwaningo ufakazela futhi ukuthi inqubo yokuphrinta ye-3D iyindlela elula nephumelelayo futhi inamathemba okusebenza emkhakheni wokulungiswa kwedivayisi eguquguqukayo kanye ne-microelectronic esikhathini esizayo.

Umbhali wokuqala wephepha u-Yuan Xiaoting, umfundi ka-2017 ofundela ubudokotela eMnyangweni Wezesayensi Yezinto Zokusebenza, i-Peking University, kanye no-Dong Shuxiang ukuphela kombhali wephepha. Lolu cwaningo luxhaswe yiNational Natural Science Foundation yaseChina (51772005, 51132001), i-Beijing Municipal Science and Technology Project, i-Beijing Key Laboratory ye-Magnetoelectric Functional Materials and Devices, kanye ne-ENN Energy Technology.

Xhumanisa nale ndatshana: Imishini yokuphrinta ye-3D ilungiselela ukuminyana kwamandla aphezulu okuguquguqukayo kwe-piezoelectric idivayisi yokutakula amandla

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